Home Online Manual
Top
Back: length
Forward: ivmatInit
FastBack:
FastForward:
Up: rootisolation_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.15.30.3 boxSet

Procedure from library rootisolation.lib (see rootisolation_lib).

Usage:
boxSet(B, i, I); B box, i int, I interval

Return:
new box C where C[i]==I

Purpose:
modifies a single entry of a box

Example:
 
LIB "rootisolation.lib";
ring R = 0,(x,y,z),dp;
box B; B;
==> [0, 0] x [0, 0] x [0, 0]
B = boxSet(B, 2, bounds(-1,1)); B;
==> [0, 0] x [-1, 1] x [0, 0]
B = boxSet(B, 1, B[2]); B;
==> [-1, 1] x [-1, 1] x [0, 0]