C++ (Cpp) AbstractGroup::applyJacobianTransposeの例

コード例 #1

NOX::Abstract::Group::ReturnType 
LOCA::DerivUtils::computeDwtJnDx(LOCA::MultiContinuation::AbstractGroup& grp,
				 const NOX::Abstract::Vector& w,
				 const NOX::Abstract::Vector& nullVector,
				 NOX::Abstract::Vector& result) const
{
  string callingFunction = 
    "LOCA::DerivUtils::computeDwtJnDx()";
  NOX::Abstract::Group::ReturnType status, finalStatus;

  // Vector to store w^T*J
  Teuchos::RCP<NOX::Abstract::Vector> wtJ = 
    w.clone(NOX::ShapeCopy);
  
  // Compute base w^T*J
  finalStatus = grp.computeJacobian();
  globalData->locaErrorCheck->checkReturnType(finalStatus, callingFunction);

  status = grp.applyJacobianTranspose(w, *wtJ);
  finalStatus = 
    globalData->locaErrorCheck->combineAndCheckReturnTypes(status, finalStatus,
							   callingFunction);
  
  // Copy original solution vector
  Teuchos::RCP<NOX::Abstract::Vector> Xvec = 
    grp.getX().clone(NOX::DeepCopy);

  // Perturb solution vector in direction of nullVector, return perturbation
  double eps = perturbXVec(grp, *Xvec, nullVector);

  // Fill perturbed w^T*J vector
  finalStatus = grp.computeJacobian();
  globalData->locaErrorCheck->checkReturnType(finalStatus, callingFunction);
    
  status = grp.applyJacobianTranspose(w, result);
  finalStatus = 
    globalData->locaErrorCheck->combineAndCheckReturnTypes(status, 
							   finalStatus,
							   callingFunction);

  // Difference perturbed and base vector 
  result.update(-1.0, *wtJ, 1.0);
  result.scale(1.0/eps);
  
  // Restore original solution vector
  grp.setX(*Xvec);

  return finalStatus;
}

コード例 #2

NOX::Abstract::Group::ReturnType 
LOCA::DerivUtils::computeDwtJDp(LOCA::MultiContinuation::AbstractGroup& grp, 
				const vector<int>& paramIDs, 
				const NOX::Abstract::Vector& w,
				NOX::Abstract::MultiVector& result,
				bool isValid) const
{
  string callingFunction = 
    "LOCA::DerivUtils::computeDwtJDp()";
  NOX::Abstract::Group::ReturnType status, finalStatus;

  // Views of w^T*J, d(w^T*J)/dp
  NOX::Abstract::Vector *wtJ = &result[0];
  NOX::Abstract::Vector *dwtJdp = NULL;

  // Compute base residual w^T*J
  if (!isValid) {
    finalStatus = grp.computeJacobian();
    globalData->locaErrorCheck->checkReturnType(finalStatus, callingFunction);

    status = grp.applyJacobianTranspose(w, *wtJ);
    finalStatus = 
      globalData->locaErrorCheck->combineAndCheckReturnTypes(status, 
							     finalStatus,
							     callingFunction);
  }
  else
    finalStatus = NOX::Abstract::Group::Ok;

  double param;
  double eps;

  // Loop over each parameter
  for (unsigned int i=0; i<paramIDs.size(); i++) {

    // Perturb single parameter in this group, and return perturbation, eps
    eps = perturbParam(grp, param, paramIDs[i]);

    // Fill perturbed w^T*J vector
    status = grp.computeJacobian();
    finalStatus = 
    globalData->locaErrorCheck->combineAndCheckReturnTypes(status, finalStatus,
							   callingFunction);

    dwtJdp = &result[i+1];
    status = grp.applyJacobianTranspose(w, *dwtJdp);
    finalStatus = 
      globalData->locaErrorCheck->combineAndCheckReturnTypes(status, 
							     finalStatus,
							     callingFunction);

    // Difference perturbed and base vector 
    dwtJdp->update(-1.0, *wtJ, 1.0);
    dwtJdp->scale(1.0/eps);
    
    // Restore original parameter value
    grp.setParam(paramIDs[i], param);

  }

  return finalStatus;
}