Diff Matlab Not Working. In that case using function strings and eval will not work. Second argument must be a variable or a nonnegative integer specifying the number of differentiations.
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Jerad Nov 28 12 at 2102. But then the f q x. If supplied the arguments representing the number of times to apply diff and the dimension along which to calculate the difference must be constants.
This example computes the first derivative of a simple function using the diff command in MATLAB.
Feb 11 2020 dq2 diff dq. If the derivative is a tensor or the derivative is a matrix in terms of tensors then the diff function will error. If f is a differentiable scalar function mvar can be a scalar vector or matrix. But then the f q x.
