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<title>Engineering Mathematics Online Course,  The University of New South Wales</title>
<link>http://freevideolectures.com</link>
<description><![CDATA[Topics covered will include important aspects of applied mathematics used in engineering, such as: multivariable calculus; vector calculus; differential equations; Laplace transforms; Fourier series. Engineering Mathematics Online Course,  The University of New South Wales. Subscribed to the feed and get updated]]></description>
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<title>Lecture 1: Vector Revision: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/1</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A review of vectors for those beginning vector calculus and several variable calculus.  Such problems involving vectors are seen in first year university mathematics, physics and engineering.]]></description>
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<title>Lecture 2: Intro to curves and vector functions: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/2</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This lecture discusses simple curves and how to describe them using vector functions.  Plenty of examples are discussed and solved.  Such ideas are the foundation of vector calculus.]]></description>
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<title>Lecture 3: Limits of vector functions: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/3</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture on limits of vector functions and how to calculate them.  This lecture is the basis of vector calculus (for functions of one variable.)

Plenty of examples are discussed and solved.]]></description>
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<title>Lecture 4: Calculus of vector functions - 1 variable. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/4</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This lecture introduces the idea of derivative and integral of vector-valued functions of one variable. We discuss the geometric significance and show how to compute the derivative and integral via examples. We briefly discuss an application to calculating arc length.]]></description>
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<title>Lecture 5: Calculus of vector functions tutorial: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/5</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial on how to solve problems involving vector valued functions of one variable.]]></description>
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<title>Lecture 6: Vector functions of one variable tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/6</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[An introduction to the calculus of vector functions of one variable.  Some simple problems are discussed, including differentiation, integration and how to determine the curve associated with a function (in this example, a helix).  Such functions can be used to describe curves and motion in space.]]></description>
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<title>Lecture 7: Vector functions tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/7</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial on interesting applications of vector functions, including how to calculate arc length.  Many examples are discussed and solved.]]></description>
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<title>Lecture 8: Intro to functions of two variables: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/8</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[The lecture gently introduces functions of two (or more) variables.  We motivate the subject and discuss domains and how to sketch the surfaces associated with these general functions.]]></description>
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<title>Lecture 9: Partial derivatives. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/9</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[We introduce the concept of partial derivatives and show how to compute them.  Plenty of examples are discussed and presented including an example where the mixed derivates do not commute.]]></description>
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<title>Lecture 10: 2 variable functions: graphs + limits tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/10</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial on functions of two variables, how to sketch their graphs and calculate their limits. Plenty of examples are presented and solved.]]></description>
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<title>Lecture 11: Multivariable chain rule and differentiability: Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/11</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture on the chain rule and differentiability of functions of two (or more) variables.  Many examples are discussed and solved.]]></description>
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<title>Lecture 12: Chain rule: partial derivative of $arctan (y/x)$ w.r.t. $x$</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/12</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example where we calculate the partial derivative of $arctan (y/x)$ with respect to $x$. The method of solution involves an application of the chain rule. Such an example is seen in 1st and 2nd year university mathematics.]]></description>
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<title>Lecture 13: Chain rule: identity involving partial derivatives</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/13</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and prove an identity involving partial derivatives. The proof involves an application of the chain rule. Such an example is seen in first and second year university mathematics.]]></description>
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<title>Lecture 14: Chain rule &amp; partial derivatives</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/14</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This video shows how to calculate partial derivatives via the chain rule.  Such ideas are seen in first year university.]]></description>
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<title>Lecture 15: Partial derivatives and PDEs tutorial</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/15</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This is basic tutorial on how to calculate partial derivatives.  The ideas are applied to show that certain functions satisfy a famous partial differential equation, known as the wave equation.  Such ideas are seen in university mathematics.]]></description>
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<title>Lecture 16: Multivariable chain rule tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/16</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial on how to apply the chain rule for multivariable functions.  Plenty of examples are discussed that illustrate the ideas, including differentiation under the integral sign.]]></description>
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<title>Lecture 17: Gradient and directional derivative. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/17</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture on the gradient and directional derivative of functions of two (or more) variables.  Plenty of examples are discussed.  The ideas find uses in applied mathematics, science and engineering.]]></description>
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<title>Lecture 18: Gradient of a function.</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/18</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A basic tutorial on the gradient field of a function.  We show how to compute the gradient; its geometric significance; and how it is used when computing the directional derivative.
The gradient is a basic property of vector calculus.]]></description>
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<title>Lecture 19: Tutorial on gradient and tangent plane.  Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/19</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial on how the gradient of a function can be used to calculate: equations on normal lines and tangent planes.]]></description>
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<title>Lecture 20: Directional derivative of $f(x,y)$</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/20</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I present an example where I calculate the derivative of a function of two variables in a particular direction.  In particular, I take the derivative of $f(x,y) := 1 - x^2/2 -  y^4/4$ in the direction of the vector  ${bf u} := (1,1)$. 

I solve the problem and also talk about the geometric meaning of the directional derivative.

Such an example is seen in second year university mathematics.]]></description>
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<title>Lecture 21: Gradient &amp; directional derivative tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/21</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial that discusses the gradient and directional derivative of functions of several variables.  Plenty of examples are solved to illustrate the ideas, which are seen in 2nd-year universtiy mathematics.]]></description>
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<title>Lecture 22: Tangent plane approximation and error estimation. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/22</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This lecture shows how to use tangent plane techniques to approximate complicated functions.  We also discuss how to estimate the errors involved.]]></description>
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<title>Lecture 23: Partial derivatives and error estimation</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/23</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I explain the caculus of error estimation with partial derivatives via a simple example.  Such ideas are seen in university mathematics.]]></description>
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<title>Lecture 24: Multivariable Taylor Polynomials. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/24</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture on how to calculate Taylor polynomials and series for functions of two variables.  Such ideas are useful in approximation of functions.  We show where the polynomial representation comes from.]]></description>
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<title>Lecture 25: Taylor polynomials: functions of two variables</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/25</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This is a basic tutorial on how to calculate a Taylor polynomial for a function of two variables.  The ideas are applied to approximate a difficult square root.  Such concepts are seen in university mathematics.]]></description>
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<title>Lecture 26: Differentiation under integral signs: Leibniz rule. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/26</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[This lecture shows how to differente under integral signs via. Leibniz rule. Many examples are discussed to illustrate the ideas.  A proof is also given of the most basic case of Leibniz rule.  Such ideas are important in applied mathematics and engineering, for example, in Laplace transforms.]]></description>
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<title>Lecture 27: Leibniz' rule: Integration via differentiation under integral sign</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/27</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example where, given a simpler integral, a more complicated integral is evaluated through differentiation.  The method features an application of Leibniz' rule for differentiating an integral. Such an example is seen in 2nd-year university mathematics.]]></description>
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<title>Lecture 28: Evaluating challenging integrals via differentiation: Leibniz rule</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/28</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve a challenging integral.  The method involves differentiation and then the solution of the resultant differential equation.  The so-called Leibniz rule for differentiating integrals is applied during the process.  Such an example is seen in 2nd-year university mathematics.]]></description>
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<title>Lecture 29: Critical points of functions. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/29</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[We discuss extreme values and critical points of functions of two variables and show how to calculate them.  Plenty of examples are presented. Such ideas are important in max/min problems and optimization.]]></description>
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<title>Lecture 30: Second derivative test: two variables. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/30</link>
<pubDate>Wed, 05 May 2010 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture on the 2nd derivative test for multivariable calculus.  The ideas are illustrated through examples.  I also provide a proof of the 2nd derivative test.]]></description>
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<title>Lecture 31: How to find critical points of functions</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/31</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[This is an example illustrating how to find and classify the critical points of functions of two variables. Such ideas rely on the second derivative test and are seen in university mathematics.]]></description>
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<title>Lecture 32: Critical points + 2nd derivative test: Multivariable calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/32</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example where the location and nature of critical points of a function of two variables is sought.  The method is to calculate the partial derivatives, set them to zero and then solve to find the critical points.  The critical points are then classified by employing the 2nd derivative test for functions of two variables.

Such an example is seen in 2nd year university mathematics subjects.]]></description>
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<title>Lecture 33: Critical points + 2nd derivative test: Multivariable calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/33</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example where the location and nature of critical points of a function of two variables is sought.  The method is to calculate the partial derivatives, set them to zero and then solve to find the critical points.  The critical points are then classified by employing the 2nd derivative test for functions of two variables.

Such an example is seen in 2nd year university mathematics subjects.]]></description>
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<title>Lecture 34: How to find and classify critical points of functions</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/34</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[This video shows how to calculate and classify the critical points of functions of two variables.  The ideas involve first and second order derivatives and are seen in university mathematics.]]></description>
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<title>Lecture 35: Lagrange multipliers. Chris Tisdell UNSW Sydney.</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/35</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture discussing Lagrange multipliers: the method and why it works. Plenty of examples are presented to illustrate the ideas.]]></description>
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<title>Lecture 36: Lagrange multipliers: Extreme values of a function subject to a constraint</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/36</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example where the points on an ellipse are sought that maximize and minimize the function $f(x,y) := xy$.  The method of solution involves an application of Lagrange multipliers.  Such an example is seen in 1st and 2nd year university mathematics.]]></description>
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<title>Lecture 37: Lagrange multipliers example</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/37</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[This video shows how to apply the method of Lagrange multipliers to a max/min problem.  Such ideas are seen in university mathematics.]]></description>
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<title>Lecture 38: Lagrange multiplier example: Minimizing a function subject to a constraint</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/38</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve a simple problem through the method of Lagrange multipliers.  A function is required to be minimized subject to a constraint equation.  Such an example is seen in 2nd-year university mathematics.]]></description>
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<title>Lecture 39: 2nd derivative test, max / min and Lagrange multipliers tutorial. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/39</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A tutorial covering: critical points, 2nd derivative test, max/min on closed and bounded regions, Lagrange multipliers.]]></description>
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<title>Lecture 40: Lagrange multipliers: 2 constraints. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/40</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A lecture showing how to apply the method of Lagrange multipliers where two contraints are involved.]]></description>
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<title>Lecture 41: Intro to vector fields. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/41</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A basic introduction to vector fields discussing the need for vector fields and some of the basic mathematics associated with them.]]></description>
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<title>Lecture 42: What is the divergence?  Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/42</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A basic introduction to the divergence of a vector field - one of the basic operations of vector calculus.  I discuss how to calculate the divergence and its physical connection with flux density.  Plenty of examples are discussed.]]></description>
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<title>Lecture 43: Divergence + Vector fields. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/43</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A basic lecture discussing the divergence of a vector field.  I show how to calculate the divergence and present some geometric explanation of what the divergence represents.  Several examples are discussed.  Such ideas have important applications in fluid flow and are seen in vector calculus.]]></description>
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<title>Lecture 44: Divergence of a vector field: Vector Calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/44</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I present a simple example where I compute the divergence of a given vector field. I give a rough interpretation of the physical meaning of divergence. Such an example is seen in 2nd year university mathematics courses.]]></description>
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<title>Lecture 45: What is the curl?  Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/45</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A basic introduction to the curl of a vector field - one of the basic operations of vector calculus. I show how to calculate the curl and discuss its relationship with rotation and circulation density. Many examples are presented.]]></description>
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<title>Lecture 46: Curl of a vector field (ex. no.1): Vector Calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/46</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I present and solve a simple example where the curl of a given vector field is sought.  The curl is one of the basic operations of "vector calculus".

Such and example is seen in 2nd year university mathematics.
Such an example is seen in 2nd year university mathematics courses.]]></description>
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<title>Lecture 47: Curl of a vector field (ex. no.2): Vector calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/47</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I present a simple example where I compute the curl of a given vector field.  I give a rough interpretation of the physical meaning of curl.

Such an example is seen in 2nd year university mathematics courses.]]></description>
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<title>Lecture 48: Line integrals. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/48</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[A basic introduction on how to integrate over curves (line integrals).  Several examples are discussed involving scalar functions and vector fields.  Such ideas find important applications in engineering and physics.]]></description>
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<title>Lecture 49: Integration over curves. Chris Tisdell UNSW Sydney</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/49</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[An introduction on how to integrate over curves.  The ideas involve integration with respect to the arc length and have important applications, including the mass of thin wires.]]></description>
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<title>Lecture 50: Path integral (scalar line integral) from vector calculus</title>
<link>http://freevideolectures.com/Course/2508/Engineering-Mathematics/50</link>
<pubDate>Tue, 30 Aug 2011 00:00:00 -0600</pubDate>
<description><![CDATA[I discuss and solve an example involving a path integral (also known as a scalar line integral) from vector calculus.  In particular, I integrate a given function over a helix in 3D-space, where the integration is with respect to arc length.  Such concepts are seen in 2nd-year university mathematics and enjoy applications to engineering.]]></description>
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</channel>
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