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D.8.8.1 bounds
Procedure from library rootisolation.lib (see rootisolation_lib).
- Usage:
bounds(a) ; a number ;
bounds(a, b) ; a, b number ;
- Return:
- interval: if
size(#)==0 it returns the interval [a, a] ,
else the interval [a,#[1]]
Example:
| LIB "rootisolation.lib";
ring R = 0,x,dp;
interval I = bounds(1);
I;
==> [1, 1]
interval J = bounds(2/3,3);
J;
==> [2/3, 3]
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