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2020-11-21 Michael Orlitzkyeja: expand an existing subalgebra test. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: add another TODO item. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: update a few TODO items. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: drop cached superalgebra basis from subalgebras. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: drop an unused variable. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: echelonize a matrix manually to ensure a decent... commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: don't compute an unused vector space for the eleme... commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: add a comment about sub-subalgebra representations. commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: move the TrivialEJA random_instance() into an... commit | commitdiff | tree | snapshot
2020-11-21 Michael Orlitzkyeja: don't orthonormalize the basis when computing... commit | commitdiff | tree | snapshot
2020-11-20 Michael Orlitzkyeja: drop obsolete _a_regular_element() override method. commit | commitdiff | tree | snapshot
2020-11-20 Michael Orlitzkyeja: make _max_random_instance_size() abstract. commit | commitdiff | tree | snapshot
2020-11-20 Michael Orlitzkyeja: rename _max_test_case_size() -> _max_random_instan... commit | commitdiff | tree | snapshot
2020-11-13 Michael Orlitzkyeja: add inner_product() for DirectSumEJA. commit | commitdiff | tree | snapshot
2020-11-13 Michael Orlitzkyeja: add inclusion maps for DirectSumEJA. commit | commitdiff | tree | snapshot
2020-11-13 Michael Orlitzkyeja: add projections for DirectSumEJA. commit | commitdiff | tree | snapshot
2020-11-10 Michael Orlitzkyeja: unindent a large "else" clause. commit | commitdiff | tree | snapshot
2020-11-10 Michael Orlitzkyeja: fix base ring of fast _charpoly_coefficients(). commit | commitdiff | tree | snapshot
2020-11-10 Michael Orlitzkyeja: begin generalizing the charpoly-over-QQ optimizations. commit | commitdiff | tree | snapshot
2020-11-10 Michael Orlitzkyeja: split "check" args into check_field and check_axioms. commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: add a few more TODO items. commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: improve how we get the "real part" of a possibly... commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: enable consistency checks by default in (non-eleme... commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: pass check=False for known-good constructions. commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: pass check=False in the fast charpoly_coefficients... commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: use fuzzy equality test with inexact base rings. commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: check that the multiplication table is square... commit | commitdiff | tree | snapshot
2020-11-09 Michael Orlitzkyeja: check EJA properties with check=True. commit | commitdiff | tree | snapshot
2020-11-08 Michael Orlitzkyeja: add DirectSumEJA constructor (and not much else). commit | commitdiff | tree | snapshot
2020-11-08 Michael Orlitzkyeja: add a link to a trac ticket in random_element(). commit | commitdiff | tree | snapshot
2020-11-08 Michael Orlitzkyeja: make random_element() more random. commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: add orthogonality examples/tests for the Peirce... commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: add a TODO to fix random_element(). commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: add "of" to the algebra characteristic_polynomial... commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: add another TODO that I keep forgetting. commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: remove wayward utf-8 comment. commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: let random_eja() return zero-dimensional algebras... commit | commitdiff | tree | snapshot
2020-11-07 Michael Orlitzkyeja: fix two more tests to work in dimension zero. commit | commitdiff | tree | snapshot
2020-11-06 Michael Orlitzkyeja: make an inverse() test work in trivial algebras. commit | commitdiff | tree | snapshot
2020-11-06 Michael Orlitzkyeja: make all tests work in trivial algebras. commit | commitdiff | tree | snapshot
2020-11-06 Michael Orlitzkyeja: document why an a[0] access is safe. commit | commitdiff | tree | snapshot
2020-11-05 Michael Orlitzkyeja: expound on an existing TODO item. commit | commitdiff | tree | snapshot
2020-11-05 Michael Orlitzkyeja: allow matrix algebras of "size" zero. commit | commitdiff | tree | snapshot
2020-11-05 Michael Orlitzkyeja: remove another completed TODO. commit | commitdiff | tree | snapshot
2020-11-05 Michael Orlitzkyeja: remove a completed TODO. commit | commitdiff | tree | snapshot
2020-11-05 Michael Orlitzkyeja: remove one use of nontrivial=True passed to random... commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: fix the fast matrix _charpoly_coefficients() method. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: speed up _charpoly_coefficients when rank is cached. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: fix the determinant in trivial algebras. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: remove more vestigial charpoly stuff. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkymakefile: don't allow tests to time out. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: simplify and unify the charpoly/rank stuff. commit | commitdiff | tree | snapshot
2020-11-04 Michael Orlitzkyeja: replace rank computation with length of charpoly... commit | commitdiff | tree | snapshot
2020-11-03 Michael Orlitzkyeja: get rid of the KnownRankEJA class. commit | commitdiff | tree | snapshot
2020-11-03 Michael Orlitzkyeja: reimplement random_eja() without KnownRankEJA. commit | commitdiff | tree | snapshot
2020-11-03 Michael Orlitzkyeja: fix tests and pre-cache ranks. commit | commitdiff | tree | snapshot
2020-11-03 Michael Orlitzkyeja: replace the rank accessor with the full computation. commit | commitdiff | tree | snapshot
2020-11-01 Michael Orlitzkyeja: use now somewhat-proven and fast rank computation. commit | commitdiff | tree | snapshot
2020-10-30 Michael Orlitzkyeja: add TODON'T use Cramer's rule. commit | commitdiff | tree | snapshot
2020-10-28 Michael Orlitzkyeja: add two more experimental rank computations. commit | commitdiff | tree | snapshot
2020-10-23 Michael Orlitzkyeja: add voodoo _rank_computation() method for EJAs. commit | commitdiff | tree | snapshot
2020-10-19 Michael Orlitzkyeja: drop the a_jordan_frame() method on EJAs. commit | commitdiff | tree | snapshot
2020-10-19 Michael OrlitzkyRevert "eja: start experiment full_spectral_decompositi... commit | commitdiff | tree | snapshot
2020-10-18 Michael Orlitzkyeja: start experiment full_spectral_decomposition(... commit | commitdiff | tree | snapshot
2020-10-18 Michael Orlitzkyeja: fix sub-subalgebra element construction. commit | commitdiff | tree | snapshot
2020-10-18 Michael Orlitzkymjo/eja/eja_element_subalgebra.py: switch two tests... commit | commitdiff | tree | snapshot
2020-10-18 Michael Orlitzkymjo/eja/eja_element.py: test spectral decomposition... commit | commitdiff | tree | snapshot
2020-10-18 Michael Orlitzkymjo/eja/eja_element.py: remove a dead line. commit | commitdiff | tree | snapshot
2020-10-11 Michael Orlitzkyeja: make AA the default field because everything cool... commit | commitdiff | tree | snapshot
2020-10-11 Michael Orlitzkymjo/eja/eja_algebra.py: fix unimportant left/right... commit | commitdiff | tree | snapshot
2020-10-11 Michael Orlitzkyeja: ignore errors more specifically in a_jordan_frame(). commit | commitdiff | tree | snapshot
2020-10-11 Michael Orlitzkyeja: rename orthogonal_idempotents() to a_jordan_frame(). commit | commitdiff | tree | snapshot
2020-10-11 Michael Orlitzkymjo/eja/eja_algebra.py: add WIP orthogonal_idempotents... commit | commitdiff | tree | snapshot
2020-10-07 Michael Orlitzkymjo/ldlt.py: goodbye, use https://trac.sagemath.org... commit | commitdiff | tree | snapshot
2020-10-05 Michael Orlitzkymjo/ldlt.py: add fast block-LDLT-based is_positive_semi... commit | commitdiff | tree | snapshot
2020-10-05 Michael Orlitzkymjo/ldlt.py: move implementation to SageMath proper. commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: refactor into user-(un)friendly portions. commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: delete naive implementations; fix tests. commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: add examples and tests for block_ldlt(). commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: make block_ldlt() work on Hermitian matric... commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: switch some row/column indexing around. commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: rule #1 is never compute the inverse of... commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: get fast block_ldlt() working. commit | commitdiff | tree | snapshot
2020-10-04 Michael Orlitzkymjo/ldlt.py: fix a dimension in block_ldlt_naive(). commit | commitdiff | tree | snapshot
2020-10-02 Michael Orlitzkymjo/ldlt.py: fix two bugs in the imperative block_ldlt... commit | commitdiff | tree | snapshot
2020-10-02 Michael Orlitzkymjo/ldlt.py: begin fast block-LDLT implementation. commit | commitdiff | tree | snapshot
2020-10-02 Michael Orlitzkymjo/ldlt.py: refactor the one-by-one block-LDLT pivot. commit | commitdiff | tree | snapshot
2020-10-02 Michael Orlitzkymjo/ldlt.py: start a naive Bunch-Kaufman block LDLT. commit | commitdiff | tree | snapshot
2020-09-28 Michael Orlitzkymjo/ldlt.py: various efficiency improvements to ldlt_fa... commit | commitdiff | tree | snapshot
2020-09-28 Michael Orlitzkymjo/ldlt.py: avoid some intermediate variables in ldlt_... commit | commitdiff | tree | snapshot
2020-09-28 Michael Orlitzkymjo/ldlt.py: add a vaguely correct non-recursive ldlt_f... commit | commitdiff | tree | snapshot
2020-09-28 Michael Orlitzkymjo/ldlt.py: actually permute with the permutation... commit | commitdiff | tree | snapshot
2020-09-28 Michael Orlitzkymjo/ldlt.py: add naive, pivoted LDLT matrix factorization. commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymakefile: delete mjo/__pycache__ with "make clean". commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymjo: rename matrix_vector.py to basis_repr.py. commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymjo/matrix_vector: rename basis_representation() to... commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymjo/matrix_vector: replace matrix_of_transformation... commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymjo/matrix_vector: fix phi_inv implementation in basis_... commit | commitdiff | tree | snapshot
2020-09-13 Michael Orlitzkymjo/matrix_vector: replace isomorphism with basis_repre... commit | commitdiff | tree | snapshot
2020-08-28 Michael Orlitzkyinit.sage: use readline-like tab completion. commit | commitdiff | tree | snapshot
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My personal library of Sage code.