passagemath-sirocco 10.5.19

passagemath: Certified root continuation with sirocco

About SageMath

“Creating a Viable Open Source Alternative to

Magma, Maple, Mathematica, and MATLAB”

Copyright (C) 2005-2024 The Sage Development Team

https://www.sagemath.org

SageMath fully supports all major Linux distributions, recent versions of macOS, and Windows (Windows Subsystem for Linux).

See https://doc.sagemath.org/html/en/installation/index.html for general installation instructions.

About this pip-installable distribution

This pip-installable distribution passagemath-sirocco provides a Cython interface to the sirocco library for computing topologically certified root continuation of bivariate polynomials.

What is included

• sage.libs.sirocco

Examples

$ pipx run --pip-args="--prefer-binary" --spec "passagemath-sirocco[test]" ipython

In [1]: from sage.all__sagemath_sirocco import *

In [2]: from sage.libs.sirocco import contpath

In [3]: pol = list(map(RR,[0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]))

In [4]: contpath(2, pol, RR(0), RR(0))
Out[4]:
[(0.0, 0.0, 0.0),
 (0.3535533905932738, -0.12500000000000003, 0.0),
 (0.7071067811865476, -0.5000000000000001, 0.0),
 (1.0, -1.0, 0.0)]