TU-Berlin → Inst. f. Mathematik → Algebra und Zahlentheorie → KASH → Documentation → Reference Manual
 KASH3 Reference Manual
Documentation
IntroductionReference ManualIndex
search    

Function

ExtractBlockRange ( elt-alg^mat X, elt-ord^rat i, elt-ord^rat j, elt-ord^rat r, elt-ord^rat s ) -> elt-alg^mat

Description

Return the submatrix of X rooted at the [i, j]-th entry and extending to the [r, s]-th entry, inclusive.

Examples

x_m:=Matrix(Z,3,3,[1,2,3,4,5,6,7,8,9]);ExtractBlockRange(x_m,1,2,2,3);
Built: Mon Nov 14 21:12:39 UTC 2005 on mack
The KANT Group