PETSc version 3.15.5
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