On 13 September 2012 21:16, Bala subramanian <bala.biophys...@gmail.com>wrote:
> Friends, > I have a 2D matrix (a numpy array) and i am looping over each row in > the matrix. I would like to know how i can find the index of each > element in a while looping a row. Is there any function in numpy. > Your question could mean several things. Could you post a small piece of example code and clarify what it is you're unable to do? Here's an example that loops over all elements of a 2D Matrix: >>> import numpy >>> M = numpy.array([[1, 1], [2, 3], [5, 8]]) >>> M array([[1, 1], [2, 3], [5, 8]]) >>> numrows, numcols = M.shape >>> for i in range(numrows): ... for j in range(numcols): ... print M[i, j] ... 1 1 2 3 5 8 Oscar
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