petsc-master 2019-08-18
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PetscLinearRegression

Gives the best least-squares linear fit to some x-y data points

Synopsis

PetscErrorCode PetscLinearRegression(PetscInt n, const PetscReal x[], const PetscReal y[], PetscReal *slope, PetscReal *intercept)

Input Parameters

n - The number of points
x - The x-values
y - The y-values

Output Parameters

slope - The slope of the best-fit line
intercept - The y-intercept of the best-fit line

See Also

PetscConvEstGetConvRate()

Level

intermediate

Location

src/sys/utils/mathfit.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages