MATLAB: How to make two conditions for a while loop

Question

I'm making an application for L'hopitals rule so I need a while loop whenever the limit of f(x) and g(x) are both 0. How would I do that?

This is what I have

while(limit(a)=0 & limit(b)=0)

Answer 1

You need the == equals

while(x==0 & y==0)

For example:

   syms x
   y = x;
   f = x^2;
   if (limit(y,x,0)==0 & limit(f,x,0)==0)
    disp('true');
   else 
     disp('false');
   end