Function Grad

python/utils.py:49–57

Jacobi-matrix

(func)

    # return func.Deriv()

def Grad(func):
    """ Jacobi-matrix"""
    # now in C++ code    
    # if "normal vector" in str(func):        
    # return specialcf.Weingarten(func.dim)
    try:
        return func.Operator("Grad")
    except:
        return grad(func).trans