gstrf(A, ...)

Other Parameters

options :

specifies additional options for SuperLU (same keys and values as in superlu_options_t C structure, and additionally 'Relax' and 'PanelSize')

ilu : bool

whether to perform an incomplete LU decomposition (default: false)

Parameters

Matrix to be factorized is represented as N,nnz,nzvals,rowind,colptr :

as separate arguments. This is compressed sparse column representation.

N : int

number of rows and columns

nnz : int

number of non-zero elements

nzvals : array

non-zero values

rowind : array

row-index for this column (same size as nzvals)

colptr : array

index into rowind for first non-zero value in this column size is (N+1). Last value should be nnz.

performs a factorization of the sparse matrix A=*(N,nnz,nzvals,rowind,colptr) and returns a factored_lu object.

Examples

See :

Local connectivity graph

Hover to see nodes names; edges to Self not shown, Caped at 50 nodes.

Using a canvas is more power efficient and can get hundred of nodes ; but does not allow hyperlinks; , arrows or text (beyond on hover)

SVG is more flexible but power hungry; and does not scale well to 50 + nodes.

All aboves nodes referred to, (or are referred from) current nodes; Edges from Self to other have been omitted (or all nodes would be connected to the central node "self" which is not useful). Nodes are colored by the library they belong to, and scaled with the number of references pointing them

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