I have a numpy array: a = np.array([[-1,1,-1],[-1,1,1]]) My array only contains two different values: -1 and 1. However, I want to replace all 1's by 0 and all -1's by 1. Of course I can loop over my array, check the value of every field and replace it. This will work for sure, but I was looking for a more convenient way to do it. I am looking for some sort of replace(old, new) function. Continue reading...
