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5.1.157 var
Syntax:
var (
int_expression
)
Type:
poly
Purpose:
var(n)
returns the n-th ring variable.
Example:
ring r=0,(x,y,z),dp; var(2); ==> y
See
int
;
nvars
;
ring
;
rvar
;
univariate
;
varstr
.
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