Add optional matrix::rank() algorighm selection.

[ginac.git] / doc / tutorial / ginac.texi

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index 3ec34c35032d25a78942fa615849b37e1808c353..3742567eca0ba3d331409d7060ea6caafeb0f6d9 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -2172,15 +2172,15 @@ computing determinants, traces, characteristic polynomials and ranks:
 ex matrix::determinant(unsigned algo=determinant_algo::automatic) const;
 ex matrix::trace() const;
 ex matrix::charpoly(const ex & lambda) const;
 ex matrix::determinant(unsigned algo=determinant_algo::automatic) const;
 ex matrix::trace() const;
 ex matrix::charpoly(const ex & lambda) const;

-unsigned matrix::rank() const;
+unsigned matrix::rank(unsigned algo=solve_algo::automatic) const;

 @end example
 
 @end example
 

-The optional @samp{algo} argument of @code{determinant()} allows to
-select between different algorithms for calculating the determinant.
-The asymptotic speed (as parametrized by the matrix size) can greatly
-differ between those algorithms, depending on the nature of the
-matrix' entries.  The possible values are defined in the
-@file{flags.h} header file.  By default, GiNaC uses a heuristic to
+The optional @samp{algo} argument of @code{determinant()} and @code{rank()}
+functions allows to select between different algorithms for calculating the
+determinant and rank respectively. The asymptotic speed (as parametrized
+by the matrix size) can greatly differ between those algorithms, depending
+on the nature of the matrix' entries. The possible values are defined in
+the @file{flags.h} header file. By default, GiNaC uses a heuristic to

 automatically select an algorithm that is likely (but not guaranteed)
 to give the result most quickly.
 
 automatically select an algorithm that is likely (but not guaranteed)
 to give the result most quickly.