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Searched refs:intercept (Results 1 – 16 of 16) sorted by relevance

/petsc/src/ml/regressor/tests/
H A Dex_sharks.c20 PetscScalar intercept; in main() local
74 PetscCall(PetscRegressorLinearGetIntercept(regressor, &intercept)); in main()
77 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Intercept is %lf\n", intercept)); in main()
H A Dex2.c19 PetscScalar intercept; in main() local
52 PetscCall(PetscRegressorLinearGetIntercept(regressor, &intercept)); in main()
55 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Intercept is %lf\n", (double)intercept)); in main()
H A Dex1.c19 PetscScalar intercept; in main() local
52 PetscCall(PetscRegressorLinearGetIntercept(regressor, &intercept)); in main()
55 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Intercept is %lf\n", (double)intercept)); in main()
H A Dex3.c137 PetscScalar intercept; in main() local
161 PetscCall(PetscRegressorLinearGetIntercept(regressor, &intercept)); in main()
/petsc/src/ml/regressor/impls/linear/
H A Dlinear.c32 …ErrorCode PetscRegressorLinearGetIntercept_Linear(PetscRegressor regressor, PetscScalar *intercept) in PetscRegressorLinearGetIntercept_Linear() argument
37 *intercept = linear->intercept; in PetscRegressorLinearGetIntercept_Linear()
320 …_intercept) PetscCall(PetscViewerASCIIPrintf(viewer, "Intercept=%g\n", (double)linear->intercept)); in PetscRegressorView_Linear()
392 …N PetscErrorCode PetscRegressorLinearGetIntercept(PetscRegressor regressor, PetscScalar *intercept) in PetscRegressorLinearGetIntercept() argument
396 PetscAssertPointer(intercept, 2); in PetscRegressorLinearGetIntercept()
397 …or, "PetscRegressorLinearGetIntercept_C", (PetscRegressor, PetscScalar *), (regressor, intercept)); in PetscRegressorLinearGetIntercept()
495 linear->intercept = target_mean - column_means_dot_coefficients; in PetscRegressorFit_Linear()
497 linear->intercept = 0.0; in PetscRegressorFit_Linear()
508 PetscCall(VecShift(y, linear->intercept)); in PetscRegressorPredict_Linear()
546 linear->intercept = 0.0; in PetscRegressorCreate_Linear()
H A Dlinearimpl.h11 PetscScalar intercept; \
/petsc/src/sys/utils/
H A Dmathfit.c20 …ssion(PetscInt n, const PetscReal x[], const PetscReal y[], PetscReal *slope, PetscReal *intercept) in PetscLinearRegression() argument
31 PetscAssertPointer(intercept, 5); in PetscLinearRegression()
68 *intercept = beta[0]; in PetscLinearRegression()
/petsc/src/binding/petsc4py/src/petsc4py/PETSc/
H A DRegressor.pyx229 """Set a flag to indicate that the intercept should be calculated.
281 """Get the intercept from a linear regression model.
289 cdef PetscScalar intercept = 0.0
290 CHKERR(PetscRegressorLinearGetIntercept(self.regressor, &intercept))
291 return toScalar(intercept)
/petsc/doc/manual/
H A Dregressor.md185 Calculation of the intercept (also known as the "bias" or "offset") is performed
188 intercept term.
189 By default, this step is omitted; if the user wishes to compute the intercept,
198 For a fitted regression, one can obtain the intercept and
203 PetscRegressorLinearGetIntercept(PetscRegressor regressor, PetscScalar *intercept);
/petsc/src/binding/petsc4py/src/lib-petsc/compat/
H A Dregressor.h14 …tercept(PETSC_UNUSED PetscRegressor regressor,PETSC_UNUSED PetscScalar *intercept) {PetscRegressor… in PetscRegressorLinearGetIntercept() argument
/petsc/src/ts/utils/
H A Dtsconvest.c54 PetscReal *dt, *x, *y, slope, intercept; in PetscConvEstGetConvRateTS_Temporal_Private() local
96 PetscCall(PetscLinearRegression(Nr + 1, x, y, &slope, &intercept)); in PetscConvEstGetConvRateTS_Temporal_Private()
122 PetscReal *x, *y, slope, intercept; in PetscConvEstGetConvRateTS_Spatial_Private() local
244 PetscCall(PetscLinearRegression(Nr + 1, x, y, &slope, &intercept)); in PetscConvEstGetConvRateTS_Spatial_Private()
H A Ddmplexts.c366 PetscReal dt, shift, slope, intercept; in DMTSCheckJacobian() local
454 PetscCall(PetscLinearRegression(Nv, hs, es, &slope, &intercept)); in DMTSCheckJacobian()
/petsc/src/tao/leastsquares/tutorials/matlab/more_wild_probs/
H A Dperf_profile.m74 % Only plot one marker at the intercept
/petsc/src/snes/utils/
H A Dconvest.c338 PetscReal *x, *y, slope, intercept; in PetscConvEstGetConvRateSNES_Private() local
439 PetscCall(PetscLinearRegression(Nr + 1, x, y, &slope, &intercept)); in PetscConvEstGetConvRateSNES_Private()
H A Ddmplexsnes.c902 PetscReal slope, intercept; in DMSNESCheckJacobian() local
984 PetscCall(PetscLinearRegression(Nv, hs, es, &slope, &intercept)); in DMSNESCheckJacobian()
/petsc/src/ksp/ksp/interface/
H A Ditfunc.c2617 PetscReal *x, *y, slope, intercept, mean = 0.0, var = 0.0, res = 0.0; in KSPComputeConvergenceRate() local
2634 PetscCall(PetscLinearRegression(n, x, y, &slope, &intercept)); in KSPComputeConvergenceRate()
2636 res += PetscSqr(y[k] - (slope * x[k] + intercept)); in KSPComputeConvergenceRate()
2657 PetscCall(PetscLinearRegression(n, x, y, &slope, &intercept)); in KSPComputeConvergenceRate()
2659 res += PetscSqr(y[k] - (slope * x[k] + intercept)); in KSPComputeConvergenceRate()