>>10944116ok here's a come code in C to express the functions you were talking about....maybe you'll understand it better this way:
(assuming there's a library called Math)
float FunctionCart( float x, float y)
{
float value = 0;
value = x*x + y*y;
value = value - 2*value;
value = Math.exp(value);
return value;
}
float FunctionPolar(float r, theta)
{
float value = 0;
float X = r*Math.cos(theta);
float Y = r*Math.sin(theta);
value = FunctionCart( X, Y);
return value;
}
