Hello, I tried the following on sagenb.org (sage version 4.2):
http://sagenb.org/home/pub/1012/
In essence, the problem is as follows:
...
#Make symbolic
J00=Matrix(SR,J00)
J00
[-1 s]
[-1 0]
J00.eigenmatrix_right()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "_sage_input_14.py", line 4, in <module>
J00.eigenmatrix_right()
File "", line 1, in <module>
File "matrix2.pyx", line 3985, in
sage.matrix.matrix2.Matrix.eigenmatrix_right (sage/matrix/matrix2.c:
23778)
File "matrix2.pyx", line 3920, in
sage.matrix.matrix2.Matrix.eigenmatrix_left (sage/matrix/matrix2.c:
23463)
File "matrix2.pyx", line 3804, in
sage.matrix.matrix2.Matrix.eigenvectors_left (sage/matrix/matrix2.c:
22794)
File "matrix2.pyx", line 3541, in
sage.matrix.matrix2.Matrix.eigenspaces_left (sage/matrix/matrix2.c:
21406)
TypeError: degree() takes exactly one argument (0 given)
-----------------
Is there a sensible workaround?
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