Make linear dependence more consistent with linear solvers.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1540 b0c55286-4f34-0410-a049-a1e7e93b0762
Add 'zero?' for vectors and matrices.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1541 b0c55286-4f34-0410-a049-a1e7e93b0762
Fix previous commit.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1542 b0c55286-4f34-0410-a049-a1e7e93b0762
Port changes from OpenAxiom commit 2826

The category AbelianMonoid has a new export: opposite?.
The category Rng has a new export: annihilate?.

git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1543 b0c55286-4f34-0410-a049-a1e7e93b0762
OrderedRing is always of CharacteristicZero.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1544 b0c55286-4f34-0410-a049-a1e7e93b0762
Fix size of result of 'reducedSystem'.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1545 b0c55286-4f34-0410-a049-a1e7e93b0762
Allow extraction of empty submatrices.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1546 b0c55286-4f34-0410-a049-a1e7e93b0762
Handle some special functions in ker2trigs.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1547 b0c55286-4f34-0410-a049-a1e7e93b0762
Make sure CGREATERP returns a boolean.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1548 b0c55286-4f34-0410-a049-a1e7e93b0762
Docomentation fix.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1549 b0c55286-4f34-0410-a049-a1e7e93b0762
Remove wrong caching in rdeef.spad.pamphlet


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1550 b0c55286-4f34-0410-a049-a1e7e93b0762
New routine for integration in term of Ei.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1551 b0c55286-4f34-0410-a049-a1e7e93b0762
Comparable instead of OrderedSet in FreeModule


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1552 b0c55286-4f34-0410-a049-a1e7e93b0762
Mention '-clefprog' in help output.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1553 b0c55286-4f34-0410-a049-a1e7e93b0762
Fix trivial case in Ei code.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1554 b0c55286-4f34-0410-a049-a1e7e93b0762
Add a few tests.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1555 b0c55286-4f34-0410-a049-a1e7e93b0762
Do not signal errors on complex integration result.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1556 b0c55286-4f34-0410-a049-a1e7e93b0762
Use safer alternative to 'sprintf'.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1557 b0c55286-4f34-0410-a049-a1e7e93b0762
Correct a typo.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1558 b0c55286-4f34-0410-a049-a1e7e93b0762
Fix problem with last commit.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1559 b0c55286-4f34-0410-a049-a1e7e93b0762