MFEM  v3.2
Finite element discretization library
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densemat.hpp File Reference

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Classes

class  mfem::DenseMatrix
 Data type dense matrix using column-major storage. More...
 
class  mfem::LUFactors
 
class  mfem::DenseMatrixInverse
 
class  mfem::DenseMatrixEigensystem
 
class  mfem::DenseMatrixSVD
 
class  mfem::DenseTensor
 Rank 3 tensor (array of matrices) More...
 

Namespaces

 mfem
 

Functions

void mfem::Add (const DenseMatrix &A, const DenseMatrix &B, double alpha, DenseMatrix &C)
 C = A + alpha*B. More...
 
void mfem::Add (double alpha, const DenseMatrix &A, double beta, const DenseMatrix &B, DenseMatrix &C)
 C = alpha*A + beta*B. More...
 
void mfem::Mult (const DenseMatrix &b, const DenseMatrix &c, DenseMatrix &a)
 Matrix matrix multiplication. A = B * C. More...
 
void mfem::AddMult (const DenseMatrix &b, const DenseMatrix &c, DenseMatrix &a)
 Matrix matrix multiplication. A += B * C. More...
 
void mfem::CalcAdjugate (const DenseMatrix &a, DenseMatrix &adja)
 
void mfem::CalcAdjugateTranspose (const DenseMatrix &a, DenseMatrix &adjat)
 Calculate the transposed adjugate of a matrix (for NxN matrices, N=1,2,3) More...
 
void mfem::CalcInverse (const DenseMatrix &a, DenseMatrix &inva)
 
void mfem::CalcInverseTranspose (const DenseMatrix &a, DenseMatrix &inva)
 Calculate the inverse transpose of a matrix (for NxN matrices, N=1,2,3) More...
 
void mfem::CalcOrtho (const DenseMatrix &J, Vector &n)
 
void mfem::MultAAt (const DenseMatrix &a, DenseMatrix &aat)
 Calculate the matrix A.At. More...
 
void mfem::MultADAt (const DenseMatrix &A, const Vector &D, DenseMatrix &ADAt)
 ADAt = A D A^t, where D is diagonal. More...
 
void mfem::AddMultADAt (const DenseMatrix &A, const Vector &D, DenseMatrix &ADAt)
 ADAt += A D A^t, where D is diagonal. More...
 
void mfem::MultABt (const DenseMatrix &A, const DenseMatrix &B, DenseMatrix &ABt)
 Multiply a matrix A with the transpose of a matrix B: A*Bt. More...
 
void mfem::MultADBt (const DenseMatrix &A, const Vector &D, const DenseMatrix &B, DenseMatrix &ADAt)
 ADBt = A D B^t, where D is diagonal. More...
 
void mfem::AddMultABt (const DenseMatrix &A, const DenseMatrix &B, DenseMatrix &ABt)
 ABt += A * B^t. More...
 
void mfem::MultAtB (const DenseMatrix &A, const DenseMatrix &B, DenseMatrix &AtB)
 Multiply the transpose of a matrix A with a matrix B: At*B. More...
 
void mfem::AddMult_a_AAt (double a, const DenseMatrix &A, DenseMatrix &AAt)
 AAt += a * A * A^t. More...
 
void mfem::Mult_a_AAt (double a, const DenseMatrix &A, DenseMatrix &AAt)
 AAt = a * A * A^t. More...
 
void mfem::MultVVt (const Vector &v, DenseMatrix &vvt)
 Make a matrix from a vector V.Vt. More...
 
void mfem::MultVWt (const Vector &v, const Vector &w, DenseMatrix &VWt)
 
void mfem::AddMultVWt (const Vector &v, const Vector &w, DenseMatrix &VWt)
 VWt += v w^t. More...
 
void mfem::AddMult_a_VWt (const double a, const Vector &v, const Vector &w, DenseMatrix &VWt)
 VWt += a * v w^t. More...
 
void mfem::AddMult_a_VVt (const double a, const Vector &v, DenseMatrix &VVt)
 VVt += a * v v^t. More...