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D.12.8.10 sturm

Procedure from library rootsur.lib (see rootsur_lib).

Usage:
sturm(p,a,b); poly p, number a,b

Return:
int: the number of real roots of p in (a,b]

Assume:
p is a univariate polynomial with rational coefficients,
a, b are rational numbers with a < b

Example:
 
See also: allreal; allrealst; sturmha.


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