optiprofiler.FeaturedProblem.grad

FeaturedProblem.grad(x)

Evaluate the gradient of the objective function.

Parameters:

xarray_like, shape (n,)

Point at which to evaluate the gradient of the objective function.

Returns:

numpy.ndarray, shape (n,)

Gradient of the objective function at x.

Raises:

ValueError

If the argument x has an invalid shape or if the return value of the argument grad has an invalid shape.