You can use the same technique to find the derivative of a matrix. What is the partial derivative of f with respect to x? The diff function will help calculates the partial derivative of the expression with respect to that variable. To find the derivative of an expression containing more than one variable, you must specify the variable that you want to differentiate with respect to. To find the second derivative in Matlab, use the following code diff(f,2)īoth will give the same result. constant = sym('5') ĭiff(constant) Second derivative in Matlab We know that the derivative of any constant term is null but if for some reasons you want to find the derivative of a constant using Matlab, here is how you need to proceed. Which returns the following ( You can decide to run one diff at a time, to prevent the confusion of having all answers displayed all at the same time) To find the derivatives of f, gand h in Matlab using the syms function, here is how the code will look like syms x Let’s consider the following examples Example 1
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