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sage.matrix, sage.modules: Update # needs #36569

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merged 19 commits into from
Nov 5, 2023
Merged

sage.matrix, sage.modules: Update # needs #36569

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8b0824e
sage.matrix: Fix # needs (sage -fixdoctests, manual)
mkoeppe Aug 17, 2023
1d01569
sage -fixdoctests --distribution all --fixed-point --only-tags --prob…
mkoeppe Aug 17, 2023
95d63df
src/sage/matrix/matrix2.pyx (determinant): Fall back when PARI is not…
mkoeppe Sep 1, 2023
8177e8a
Add # needs
mkoeppe Sep 4, 2023
a8a4b8e
Add # needs
mkoeppe Sep 7, 2023
bdd0506
sage.matrix: Add # needs
mkoeppe Sep 9, 2023
d366696
sage.{matrix,modules}: Update # needs
mkoeppe Sep 9, 2023
433eb41
sage.matrix: Add # needs
mkoeppe Sep 10, 2023
171adf5
sage.modules: Update # needs
mkoeppe Sep 10, 2023
4537cb4
sage.{matrix,modules}: Update # needs
mkoeppe Sep 11, 2023
23ac349
sage.matrix: Add # needs
mkoeppe Sep 12, 2023
38119de
sage.matrix: Add # needs
mkoeppe Sep 12, 2023
3cbfb0f
sage.modules: Update # needs
mkoeppe Sep 12, 2023
403ece7
sage.matrix: Update # needs
mkoeppe Sep 13, 2023
fabdf86
Update # needs
mkoeppe Sep 22, 2023
119673d
sage.matrix: Update # needs
mkoeppe Sep 23, 2023
e23670d
sage.modules: Update # needs
mkoeppe Sep 23, 2023
8402a7b
src/sage/matrix/matrix_space.py: Fix change to doctest
mkoeppe Oct 29, 2023
c3b6f2f
src/sage/matrix/matrix2.pyx: Fix doctest dataflow warning
mkoeppe Oct 29, 2023
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1 change: 1 addition & 0 deletions src/sage/matrix/args.pyx
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Expand Up @@ -871,6 +871,7 @@ cdef class MatrixArgs:

Check github issue #36065:

sage: # needs sage.rings.number_field
sage: class MyAlgebraicNumber(sage.rings.qqbar.AlgebraicNumber):
....: def __bool__(self):
....: raise ValueError
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2 changes: 1 addition & 1 deletion src/sage/matrix/constructor.pyx
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Expand Up @@ -580,7 +580,7 @@ def matrix(*args, **kwds):

Check :trac:`24459`::

sage: # needs sage.libs.flint
sage: # needs sage.libs.linbox
sage: Matrix(ZZ, sys.maxsize, sys.maxsize)
Traceback (most recent call last):
...
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22 changes: 11 additions & 11 deletions src/sage/matrix/matrix0.pyx
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Expand Up @@ -543,11 +543,11 @@ cdef class Matrix(sage.structure.element.Matrix):

TESTS::

sage: class MyAlgebraicNumber(sage.rings.qqbar.AlgebraicNumber): # needs sage.rings.number_fields
sage: class MyAlgebraicNumber(sage.rings.qqbar.AlgebraicNumber): # needs sage.rings.number_field
....: def __bool__(self):
....: raise ValueError
sage: mat = matrix(1, 1, MyAlgebraicNumber(1)) # needs sage.rings.number_fields
sage: bool(mat) # needs sage.rings.number_fields
sage: mat = matrix(1, 1, MyAlgebraicNumber(1)) # needs sage.rings.number_field
sage: bool(mat) # needs sage.rings.number_field
Traceback (most recent call last):
...
ValueError
Expand Down Expand Up @@ -4898,7 +4898,7 @@ cdef class Matrix(sage.structure.element.Matrix):
Over finite fields::

sage: A = matrix(GF(59), 3, [10,56,39,53,56,33,58,24,55])
sage: A.multiplicative_order() # needs sage.groups
sage: A.multiplicative_order() # needs sage.libs.pari
580
sage: (A^580).is_one()
True
Expand All @@ -4918,7 +4918,7 @@ cdef class Matrix(sage.structure.element.Matrix):
Over `\ZZ`::

sage: m = matrix(ZZ, 2, 2, [-1,1,-1,0])
sage: m.multiplicative_order() # needs sage.groups
sage: m.multiplicative_order() # needs sage.libs.pari
3

sage: m = posets.ChainPoset(6).coxeter_transformation() # needs sage.combinat sage.graphs
Expand All @@ -4930,10 +4930,10 @@ cdef class Matrix(sage.structure.element.Matrix):
10

sage: M = matrix(ZZ, 2, 2, [1, 1, 0, 1])
sage: M.multiplicative_order() # needs sage.groups
sage: M.multiplicative_order() # needs sage.libs.pari
+Infinity

sage: for k in range(600): # needs sage.groups
sage: for k in range(600): # needs sage.groups sage.modular
....: m = SL2Z.random_element()
....: o = m.multiplicative_order()
....: if o != Infinity and m**o != SL2Z.one():
Expand All @@ -4948,7 +4948,7 @@ cdef class Matrix(sage.structure.element.Matrix):
....: else:
....: return ZZ.random_element(-100,100)
sage: rnd = matrix(ZZ, 8, 8, val)
sage: (rnd * m24 * rnd.inverse_of_unit()).multiplicative_order() # needs sage.groups
sage: (rnd * m24 * rnd.inverse_of_unit()).multiplicative_order() # needs sage.libs.pari
24

TESTS::
Expand Down Expand Up @@ -5827,9 +5827,9 @@ cdef class Matrix(sage.structure.element.Matrix):

Tests for :trac:`28570`::

sage: P = posets.TamariLattice(7) # needs sage.combinat sage.graphs
sage: M = P._hasse_diagram._leq_matrix # needs sage.combinat sage.graphs
sage: M.inverse_of_unit() # this was very slow, now 1s # needs sage.combinat sage.graphs
sage: P = posets.TamariLattice(7) # needs sage.graphs
sage: M = P._hasse_diagram._leq_matrix # needs sage.graphs
sage: M.inverse_of_unit() # this was very slow, now 1s # needs sage.graphs
429 x 429 sparse matrix over Integer Ring...

sage: m = matrix(Zmod(2**2), 1, 1, [1], sparse=True)
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2 changes: 1 addition & 1 deletion src/sage/matrix/matrix1.pyx
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Expand Up @@ -103,7 +103,7 @@ cdef class Matrix(Matrix0):
[ [ 0, 1, 2 ], [ 3, 4, 5 ], [ 6, 7, 8 ] ]
sage: g.CharacteristicPolynomial()
x_1^3-12*x_1^2-18*x_1
sage: A.characteristic_polynomial()
sage: A.characteristic_polynomial() # needs sage.libs.pari
x^3 - 12*x^2 - 18*x
sage: matrix(QQ, g) == A
True
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