Matrices Mat: :
Examples
PETSc matrices (Mat objects) are used to store Jacobians and other sparse matrices in PDE-based (or other) simulations.
Beginner - Basic usage
MATAIJ
MATSEQAIJ
MatMultAdd
MATAIJMUMPS
MATSEQAIJSPOOLES
MatMultConstrained
MATAIJSPOOLES
MATSEQBAIJ
MatMultTranspose
MATBAIJ
MATSEQBDIAG
MatMultTransposeAdd
MATBDIAG
MATSEQDENSE
MatMultTransposeConstrained
MATCRL
MATSEQSBAIJ
MatOption
MATCSRPERM
MATSEQSBAIJSPOOLES
MatOrderingType
MATDENSE
MATSUPERLU
MatPartitioning
MATDSCPACK
MATSUPERLU_DIST
MatPartitioningType
MATESSL
MATUMFPACK
MatReuse
MATLUSOL
Mat
MatSORType
MATMATLAB
MatAssemblyBegin
MatSetFromOptions
MATMPIADJ
MatAssemblyEnd
MatSetSizes
MATMPIAIJ
MatAssemblyType
MatSetStencil
MATMPIAIJSPOOLES
MatColoringType
MatSetUpPreallocation
MATMPIBAIJ
MatCreate
MatSetValue
MATMPIBDIAG
MatDestroy
MatSetValues
MATMPIDENSE
MatDuplicateOption
MatSetValuesBlockedStencil
MATMPIROWBS
MatFDColoring
MatSetValuesStencil
MATMPISBAIJ
MatGetLocalSize
MatStencil
MATMPISBAIJSPOOLES
MatGetOwnershipRange
MatStructure
MATPLAPACK
MatGetSize
MatType
MATSBAIJ
MatInfoType
MatView
MATSBAIJMUMPS
MatLoad
MATSBAIJSPOOLES
MatMult
Intermediate - Setting options for algorithms and data structures
MATDAAD
MatEqual
MatPreallocateSymmetricInitialize
MatAXPY
MatGetBlockSize
MatPreallocateSymmetricSet
MatAYPX
MatGetDiagonal
MatPreallocateSymmetricSetLocal
MatConvert
MatGetInfo
MatPtAP
MatCopy
MatGetRowMax
MatPtAPNumeric
MatCreateDAAD
MatGetType
MatPtAPSymbolic
MatCreateLRC
MatInfo
MatReorderForNonzeroDiagonal
MatCreateMPIAIJ
MatInterpolate
MatRestrict
MatCreateMPIAdj
MatInterpolateAdd
MatScale
MatCreateMPIBAIJ
MatIsHermitian
MatSeqAIJSetPreallocation
MatCreateMPIBDiag
MatIsStructurallySymmetric
MatSeqBAIJSetPreallocation
MatCreateMPICRL
MatIsSymmetric
MatSeqBDiagSetPreallocation
MatCreateMPICSRPERM
MatIsTranspose
MatSeqDenseSetLDA
MatCreateMPIDense
MatMPIAIJSetPreallocation
MatSeqDenseSetPreallocation
MatCreateMPIRowbs
MatMPIAdjSetPreallocation
MatSeqSBAIJSetPreallocation
MatCreateMPISBAIJ
MatMPIBAIJSetPreallocation
MatSetBlockSize
MatCreateNormal
MatMPIBDiagSetPreallocation
MatSetLocalToGlobalMapping
MatCreateSeqAIJ
MatMPIDenseSetPreallocation
MatSetLocalToGlobalMappingBlock
MatCreateSeqAIJWithArrays
MatMPISBAIJSetPreallocation
MatSetOption
MatCreateSeqBAIJ
MatMatMult
MatSetType
MatCreateSeqBDiag
MatMatMultNumeric
MatSetValuesBlocked
MatCreateSeqCRL
MatMatMultSymbolic
MatSetValuesBlockedLocal
MatCreateSeqCSRPERM
MatMatMultTranspose
MatSetValuesLocal
MatCreateSeqDense
MatMultAddEqual
MatSetValuesRow
MatCreateSeqSBAIJ
MatMultEqual
MatSetValuesRowLocal
MatDAADSetCtx
MatMultTransposeAddEqual
MatShift
MatDAADSetDA
MatMultTransposeEqual
MatStashSetInitialSize
MatDAADSetSNES
MatNorm
MatTranspose
MatDenseGetLocalMatrix
MatPreallocateFinalize
MatZeroEntries
MatDiagonalScale
MatPreallocateInitialize
MatZeroRows
MatDiagonalSet
MatPreallocateSet
MatZeroRowsIS
MatDuplicate
MatPreallocateSetLocal
MatZeroRowsLocal
Advanced - Setting more advanced options and customization
MATIS
MatGetSubMatrixRaw
MatRegisterDAAD
MATMAIJ
MatGetValues
MatRegisterDestroy
MATSHELL
MatGetVecs
MatRegisterDynamic
MatAppendOptionsPrefix
MatHasOperation
MatRestoreArray
MatAssembled
MatISGetLocalMat
MatRestoreArrayF90
MatBDiagGetData
MatImaginaryPart
MatRestoreRow
MatCompress
MatIsHermitianKnown
MatRestoreRowUpperTriangular
MatComputeExplicitOperator
MatIsSymmetricKnown
MatRetrieveValues
MatConjugate
MatMPIBAIJSetHashTableFactor
MatSeqAIJSetColumnIndices
MatCreateIS
MatMerge
MatSeqBAIJInvertBlockDiagonal
MatCreateMAIJ
MatMerge_SeqsToMPI
MatSeqBAIJSetColumnIndices
MatCreateShell
MatNullSpace
MatSeqSBAIJSetColumnIndices
MatDestroyMatrices
MatNullSpaceCreate
MatSetOptionsPrefix
MatGetArray
MatNullSpaceDestroy
MatSetUp
MatGetArrayF90
MatNullSpaceRemove
MatShellGetContext
MatGetColumnVector
MatNullSpaceSetFunction
MatShellGetOperation
MatGetInertia
MatNullSpaceTest
MatShellSetContext
MatGetOptionsPrefix
MatPermute
MatShellSetOperation
MatGetRow
MatPermuteSparsify
MatStashGetInfo
MatGetRowUpperTriangular
MatRealPart
MatStoreValues
MatGetSubMatrices
MatRegister
MatGetSubMatrix
MatRegisterAll
Developer - Interfaces intended primarily for library developers, not for typical applications programmers
MatCholeskyCheckShift_inline
MatICCFactorSymbolic
MatRestoreColumnIJ
MatCholeskyFactor
MatILUDTFactor
MatRestoreRowIJ
MatCholeskyFactorNumeric
MatILUFactor
MatScaleSystem
MatCholeskyFactorSymbolic
MatILUFactorSymbolic
MatSeqAIJSetPreallocationCSR
MatColoringPatch
MatIncreaseOverlap
MatSetColoring
MatColoringRegisterDynamic
MatInitializePackage
MatSetUnfactored
MatConvertRegister
MatLUCheckShift_inline
MatSetValuesAdic
MatConvertRegisterAll
MatLUFactor
MatSetValuesAdifor
MatDiagonalScaleLocal
MatLUFactorNumeric
MatSolve
MatFactorInfo
MatLUFactorSymbolic
MatSolveAdd
MatFactorInfoInitialize
MatMPIAIJSetPreallocationCSR
MatSolveTranspose
MatGetBrowsOfAcols
MatMPIBAIJSetPreallocationCSR
MatSolveTransposeAdd
MatGetBrowsOfAoCols
MatMatSolve
MatSolves
MatGetColumnIJ
MatNullSpaceAttach
MatUnScaleSystem
MatGetCommunicationStructs
MatOrderingRegisterDynamic
MatUseScaledForm
MatGetLocalMat
MatPBRelax
MatValid
MatGetLocalMatCondensed
MatPartitioningRegisterDynamic
Mat_CheckCompressedRow
MatGetRowIJ
MatPrintHelp
MatICCFactor
MatRelax
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