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5.1.21 delete
Syntax:
delete ( list_expression, int_expression )
delete ( intvec_expression, int_expression )
delete ( ideal_expression, int_expression )
delete ( module_expression, int_expression )
delete ( list_expression, intvec_expression )
delete ( ideal_expression, intvec_expression )
delete ( module_expression, intvec_expression )
Type:
- type of the first argument
Purpose:
- deletes the element(s) with the given index/indices from a list/intvec/ideal/module (the input is not changed).
Example:
| list l="a","b","c";
list l1=delete(l,2);l1;
==> [1]:
==> a
==> [2]:
==> c
l;
==> [1]:
==> a
==> [2]:
==> b
==> [3]:
==> c
delete(1..5,2);
==> 1,3,4,5
ring r=0,(x,y,z),dp;
delete(maxideal(1),1);
==> _[1]=y
==> _[2]=z
delete(maxideal(1),1..2);
==> _[1]=z
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See
ideal;
insert;
intvec;
list;
module.
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