Mesh grid functions in Python (meshgrid mgrid ogrid ndgrid)

Question

I\'m looking for a clear comparison of meshgrid-like functions. Unfortunately I don\'t find it!

Numpy http://docs.scipy.org/doc/numpy/reference/ provides

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Answer 1

np.mgrid and np.meshgrid() do the same thing but the first and the second axis are swapped:

# 3D
d1, d2, d3 = np.mgrid[0:10, 0:10, 0:10]
d11, d22, d33 = np.meshgrid(np.arange(10),np.arange(10),np.arange(10))
np.array_equal(d1,d11)

yields False. Just swap the first two dimensions:

d11 = np.transpose(d11,[1,0,2])
np.array_equal(d1,d11)

yields True.