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spam (version 0.11)

SPArse Matrix

Description

Set of function for sparse matrix algebra. The package 'fields' uses spam as a required package. Differences with SparseM/Matrix are: (1) we only support one sparse matrix format, (2) based on transparent and simple structure(s) (3) S3 and S4 compatible.

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Version

Install

install.packages('spam')

Monthly Downloads

74,651

Version

0.11

License

GPL (version 2 or later), see also LICENSE file

Maintainer

Reinhard Furrer

Last Published

July 3rd, 2017

Functions in spam (0.11)

det

Calculate the determinant of a positive definite Sparse Matrix
chol

Cholesky Factorization for Sparse Matrices
Summary

Summary functions
image

Display a spam Object as Color Image
diag

Sparse Matrix diagonals
spam-class

Class "spam"
.Spam

spam specific parameters
Math2

Rounding of Numbers
SPAM

SPArse Matrix Package
USprecip

Monthly total precipitation (mm) for April 1948 in the contiguous United States
triagonal

Lower and Upper Triangular Part of a Sparse Matrix
Math

Mathematical functions
spam todo

Small "ToDo" list
spam operations

Basic Linear Algebra for Sparse Matrices
spam.chol.NgPeyton-class

Class "spam.chol.NgPeyton"
spam solve

Linear Equation Solving for Sparse Matrices
ordering

Extract the permutation
spam history

Brief overview of the history
spam internal

Spam internal and auxiliary functions
display

Graphially represent the nonzero entries