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Created: Thursday, November 16 2006 19:21.00 CST

Modified: Sunday, January 21 2007 15:07.26 CST

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NumPy arrays and Pythonika

Author: ero

# Views: 1789

If someone tries to pass NumPys ndarray objects into Mathematica with something like:

Py["numpy.array([[1,2,3],[4,5,6],[7,8,9]])"]

the following error will appear:

Object type cant be converted!

Thats due to the fact that Pythonika doesnt know what to do when finding objects of such type (or any type that its not one of Pythons basic types).

In order to get around that, one can do something like:

Py["numpy.array([[1,2,3],[4,5,6],[7,8,9]]).tolist()"]

Which will return the expected nested lists in Mathematica:

{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}

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