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Adding and Subtracting Vectors

Posted by Jeff on Sep 8, 2009 in Calculus, Dynamics, Electromagnetic Theory, Math, MATLAB, Physics, Statics

TweetThis is a very simple post and a very simple subject, but every once in a while even the experts need to be reminded how to do simple addition and subtraction with vectors.  Let’s go ahead and specify a couple vectors that we can work with. Vector In MATLAB: >>A = [1 2 4]; Vector [...]

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Laplace Transforms

TweetWhat is the Laplace Transform method? The Laplace Transform is a method that simplifies integral and differential equations into algebraic equations. This practice is commonly used to solve for a function out of a differential equation, which otherwise may have been unsolvable or very difficult. The following integrals can be used to transform between where [...]

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Volume of Ellipsoid – MATLAB

Posted by Jeff on Aug 31, 2009 in Calculus, MATLAB

TweetThis is how you calculate the volume of an ellipsoid with the following equation. rmax = 1; V = 0; step = 0.02; A = 5; B = 10; C = 15; for x= -5 : step : 5 for y = -10 : step : 10 for z = -15 : step : 15 [...]

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Derivatives

Posted by Jeff on Jul 29, 2009 in Calculus, Math

TweetOne of the most important calculus concepts to learn is derivation.  Here I will show you how to calculate some simple derivatives.  The derivative looks like this and can be read as “derivative with respect to x” so if you have a function and you are supposed to perform then you are going to be [...]

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Finding The Equation of a Line

Posted by Jeff on Jul 29, 2009 in Calculus, Math

TweetAn example of finding the equation of a line In practice you will often be asked to find the equation of a line that is passing through a given point and is parallel to another line.  A line is parallel to another line if they have the same slope (m).  I think the best way [...]

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