diff options
Diffstat (limited to 'lib/matrix.rb')
| -rw-r--r-- | lib/matrix.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb index 3242cde9b2..12f99925bc 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -89,6 +89,7 @@ end # * <tt> #determinant </tt> # * <tt> #det </tt> # * <tt> #rank </tt> +# * <tt> #round </tt> # * <tt> #trace </tt> # * <tt> #tr </tt> # * <tt> #transpose </tt> @@ -1125,6 +1126,12 @@ class Matrix rank end + # Returns a matrix with entries rounded to the given precision + # (see Float#round) + # + def round(ndigits=0) + map{|e| e.round(ndigits)} + end # # Returns the trace (sum of diagonal elements) of the matrix. |