So, I am making a program for Linear Approximations, I need to take the Derivative of the function. So I have 3 inputs, a, fx, and dx, where fx is a functions. However, when you try to input a function, it says variable not defined, which is quite annoying, and causing my program to be useless.
Here is my code:
Define LibPub pprox(a,fx,dx)= Prgm :Local deriv :Local approxi :Local function :deriv:=(fx,x) :approxi:=dx*deriv(a) :Return approxi :EndPrgm
That isnt the completed program, it will be easy once I can input the function. Thanks guys!