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realroots -- real roots of a binary form

Description

This is a simple application of the method roots.

i1 : F = randomBinaryForm 5

         5       4         3 2       2 3         4       5
o1 = 810t  + 405t t  + 135t t  + 315t t  + 140t t  + 126t
         0       0 1       0 1       0 1       0 1       1

o1 : QQ[t ..t ]
         0   1
i2 : realroots F

o2 = {[-.853591, 1]}

o2 : List

See also

Ways to use realroots:

  • realroots(RingElement)

For the programmer

The object realroots is a method function with options.


The source of this document is in CoincidentRootLoci/documentation.m2:344:0.