isCoordinateZero(sol,k,tol)
A solution has a zero k-th coordinate when the abs function evaluates to a number less than the given tolerance.
|
|
|
|
|
Good values for the tolerance are relative to the accuracy and the condition number of the solution. To improve the accuracy of a solution, apply refineSolutions with a higher working precision.
The object isCoordinateZero is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/PHCpack/PHCpackDoc.m2:459:0.