21   PetscReal   mu;      /* the augmented Lagrangian term in ADMM */  member
124   ctx->mu       = 1.0;  in ConfigureContext()
138 …tionsReal("-mu", "The augmented lagrangian multiplier in ADMM", "ex4.c", ctx->mu, &ctx->mu, NULL));  in ConfigureContext()
222   PetscReal mu, workNorm, misfit;  in ObjectiveMisfitADMM()  local
226   mu   = ctx->mu;  in ObjectiveMisfitADMM()
238   *J = misfit + 0.5 * mu * workNorm;  in ObjectiveMisfitADMM()
246   PetscReal mu;  in GradientMisfitADMM()  local
250   mu   = ctx->mu;  in GradientMisfitADMM()
259   PetscCall(VecAXPY(V, mu, temp));  in GradientMisfitADMM()
270   PetscCall(MatShift(H, ctx->mu));  in HessianMisfitADMM()
321     PetscCall(MatShift(H, ctx->mu));  in HessianRegularization()
324       PetscCall(MatShift(Hpre, ctx->mu));  in HessianRegularization()
350     PetscCall(VecScale(copy1, ctx->mu));  in HessianRegularization()
366   PetscReal mu, workNorm, reg;  in ObjectiveRegularizationADMM()  local
370   mu   = ctx->mu;  in ObjectiveRegularizationADMM()
380   *J = reg + 0.5 * mu * workNorm;  in ObjectiveRegularizationADMM()
390   PetscReal mu;  in GradientRegularizationADMM()  local
394   mu   = ctx->mu;  in GradientRegularizationADMM()
402   PetscCall(VecAXPY(V, -mu, temp));  in GradientRegularizationADMM()
416     PetscCall(MatShift(H, ctx->mu));  in HessianRegularizationADMM()
419       PetscCall(MatShift(Hpre, ctx->mu));  in HessianRegularizationADMM()
423     PetscCall(MatShift(H, ctx->mu));  in HessianRegularizationADMM()
424     if (Hpre != H) PetscCall(MatShift(Hpre, ctx->mu));  in HessianRegularizationADMM()
477   PetscReal mu;  in TaoSolveADMM()  local
487   mu    = ctx->mu;  in TaoSolveADMM()
515       PetscCall(TaoSoftThreshold(temp, -ctx->alpha / mu, ctx->alpha / mu, z));  in TaoSolveADMM()
527     s_norm = s_norm * mu;  in TaoSolveADMM()
534     dual = PetscSqrtReal(ctx->n) * ctx->abstol + ctx->reltol * u_norm * mu;  in TaoSolveADMM()