I am working on some problems concerning Fourier Transform and I am facing something I don't understand. I am trying to understand what is the representation of the function f(x)=abs(x)cos(x) in the ...
Say I have a triangle with vertices (0,0), (2,4), (4,0) that I want to rotate along the origin. Rotation by multiples of 90 is simple. However, I want to rotate by ...