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spam (version 0.12)

SPArse Matrix

Description

Set of function for sparse matrix algebra. The package 'fields' v3.6 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

76,448

Version

0.12

License

GPL, see also file LICENSE

Maintainer

Reinhard Furrer

Last Published

July 3rd, 2017

Functions in spam (0.12)

SPAM

SPArse Matrix Package
.Spam

spam specific parameters
chol

Cholesky Factorization for Sparse Matrices
spam internal

Spam internal and auxiliary functions
Math

Mathematical functions
USprecip

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

Brief overview of the history
spam-class

Class "spam"
spam.chol.NgPeyton-class

Class "spam.chol.NgPeyton"
spam operations

Basic Linear Algebra for Sparse Matrices
spam solve

Linear Equation Solving for Sparse Matrices
ordering

Extract the permutation
image

Display a spam Object as Color Image
Summary

Summary functions
print

Printing and summarizing sparse matrices
spam todo

Small "ToDo" list
display

Graphially represent the nonzero entries
triagonal

Lower and Upper Triangular Part of a Sparse Matrix
det

Calculate the determinant of a positive definite Sparse Matrix
diag

Sparse Matrix diagonals
Math2

Rounding of Numbers