PetscLinearRegression — PETSc 3.23.0 documentation

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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