numpy array assignment problem

Question

I have a strange problem in Python 2.6.5 with Numpy. I assign a numpy array, then equate a new variable to it. When I perform any operation to the new array, the original\'

Answer 1

Briefly, a variable assignment creates a new reference to the existing object.

  A = object   # A points to object in memory
  B = A        # B points to the same object