Returns a tuple (f, Df) where f is of size (mnl, 1) containing f(x) Df is matrix of size (mnl, n) containing the derivatives of f at x: Df[k,:] is the transpose of the gradient of fk at x. If x is not in domf, return non-nil error.
(x MatrixVariable)
source not stored for this graph (policy: none)
no outgoing calls
no test coverage detected