Checks whether dir. derivatives can be computed for a problem structure.
function candoit = canGetDirectionalDerivative(problem)
This function calls:
This function is called by:
- canGetGradient Checks whether the gradient can be computed for a problem structure.
- getGradient Computes the gradient of the cost function at x.
- checkdiff Checks the consistency of the cost function and directional derivatives.
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