Decomposition Operations<TReal, TComplex>.Cholesky Solve Method
Definition
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2
Overload List
Cholesky | Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF. |
Cholesky | Solves a hermitian system of equations. |
Cholesky | Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF. |
Cholesky | Solves a hermitian system of equations. |
Cholesky | Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF. |
Cholesky | Solves a hermitian system of equations. |
CholeskySolve(MatrixTriangle, Int32, Int32, Array2D<TReal>, Array2D<TReal>, Int32)
Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF.
public void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
Array2D<TReal> a,
Array2D<TReal> b,
out int info
)
Parameters
- storedTriangle MatrixTriangle
= 'U': Upper triangle of A is stored; = 'L': Lower triangle of A is stored.
- n Int32
The order of the matrix A. N >= 0.
- nrhs Int32
The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
- a Array2D<TReal>
A is TReal array, dimension (LDA,N) The triangular factor U or L from the Cholesky factorization A = UT*U or A = L*LT, as computed by DPOTRF.
The leading dimension of the array A. LDA >= max(1,N).
- b Array2D<TReal>
B is TReal array, dimension (LDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
The leading dimension of the array B. LDB >= max(1,N).
- info Int32
= 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value
Remarks
This method corresponds to the LAPACK routine ?POTRS.
CholeskySolve(MatrixTriangle, Int32, Int32, Array2D<TComplex>, Array2D<TComplex>, Int32)
public void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
Array2D<TComplex> a,
Array2D<TComplex> b,
out int info
)
Parameters
- storedTriangle MatrixTriangle
- A MatrixTriangle value that indicates whether the matrix components are stored in the upper or lower triangular part.
- n Int32
- The number of rows and columns of the matrix.
- nrhs Int32
- The number of right hand sides.
- a Array2D<TComplex>
- A complex array that contains the elements of the matrix.
- b Array2D<TComplex>
- A complex array that contains the components of the right-hand side(s).
- info Int32
- On return, indicates error conditions.
CholeskySolve(MatrixTriangle, Int32, Int32, ReadOnlySpan2D<TReal>, Span2D<TReal>, Int32)
Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF.
public void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
ReadOnlySpan2D<TReal> a,
Span2D<TReal> b,
out int info
)
Parameters
- storedTriangle MatrixTriangle
= 'U': Upper triangle of A is stored; = 'L': Lower triangle of A is stored.
- n Int32
The order of the matrix A. N >= 0.
- nrhs Int32
The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
- a ReadOnlySpan2D<TReal>
A is TReal array, dimension (LDA,N) The triangular factor U or L from the Cholesky factorization A = UT*U or A = L*LT, as computed by DPOTRF.
The leading dimension of the array A. LDA >= max(1,N).
- b Span2D<TReal>
B is TReal array, dimension (LDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
The leading dimension of the array B. LDB >= max(1,N).
- info Int32
= 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value
Remarks
This method corresponds to the LAPACK routine ?POTRS.
CholeskySolve(MatrixTriangle, Int32, Int32, ReadOnlySpan2D<TComplex>, Span2D<TComplex>, Int32)
public void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
ReadOnlySpan2D<TComplex> a,
Span2D<TComplex> b,
out int info
)
Parameters
- storedTriangle MatrixTriangle
- A MatrixTriangle value that indicates whether the matrix components are stored in the upper or lower triangular part.
- n Int32
- The number of rows and columns of the matrix.
- nrhs Int32
- The number of right hand sides.
- a ReadOnlySpan2D<TComplex>
- A complex array that contains the elements of the matrix.
- b Span2D<TComplex>
- A complex array that contains the components of the right-hand side(s).
- info Int32
- On return, indicates error conditions.
CholeskySolve(MatrixTriangle, Int32, Int32, ReadOnlySpan<TReal>, Int32, Span<TReal>, Int32, Int32)
Solves a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = UT*U or A = L*LT computed by DPOTRF.
public abstract void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
ReadOnlySpan<TReal> a,
int lda,
Span<TReal> b,
int ldb,
out int info
)
Parameters
- storedTriangle MatrixTriangle
= 'U': Upper triangle of A is stored; = 'L': Lower triangle of A is stored.
- n Int32
The order of the matrix A. N >= 0.
- nrhs Int32
The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
- a ReadOnlySpan<TReal>
A is TReal array, dimension (LDA,N) The triangular factor U or L from the Cholesky factorization A = UT*U or A = L*LT, as computed by DPOTRF.
- lda Int32
The leading dimension of the array A. LDA >= max(1,N).
- b Span<TReal>
B is TReal array, dimension (LDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
- ldb Int32
The leading dimension of the array B. LDB >= max(1,N).
- info Int32
= 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value
Remarks
This method corresponds to the LAPACK routine ?POTRS.
CholeskySolve(MatrixTriangle, Int32, Int32, ReadOnlySpan<TComplex>, Int32, Span<TComplex>, Int32, Int32)
public abstract void CholeskySolve(
MatrixTriangle storedTriangle,
int n,
int nrhs,
ReadOnlySpan<TComplex> a,
int lda,
Span<TComplex> b,
int ldb,
out int info
)
Parameters
- storedTriangle MatrixTriangle
- A MatrixTriangle value that indicates whether the matrix components are stored in the upper or lower triangular part.
- n Int32
- The number of rows and columns of the matrix.
- nrhs Int32
- The number of right hand sides.
- a ReadOnlySpan<TComplex>
- A complex array that contains the elements of the matrix.
- lda Int32
- The leading dimension of the matrix a.
- b Span<TComplex>
- A complex array that contains the components of the right-hand side(s).
- ldb Int32
- The leading dimension of the matrix b.
- info Int32
- On return, indicates error conditions.