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cannot use .str() on kernel of Matrix ?

asked 2023-12-02 10:14:18 +0100

PiGob gravatar image

updated 2023-12-02 10:14:48 +0100

(with sagemath 10.1 - not checked with previous revision)

A is a matrix defined by:


k is the kernel of A :


Sagemath displays :

Vector space of degree 4 and dimension 1 over Finite Field of size 2
Basis matrix:
[1 1 1 0]

But then, k.str() fails with error message "AttributeError: 'FreeModule_submodule_field_with_category' object has no attribute 'str'".

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answered 2023-12-02 12:08:38 +0100

eric_g gravatar image

You can use str(k) to get a string representation of k.

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Asked: 2023-12-02 10:14:18 +0100

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Last updated: Dec 02 '23