tridiag {gallery}R Documentation

Create sparse tridiagonal matrix

Description

Create a sparse tridiagonal matrix of dgcMatrix class.

Usage

tridiag(n, x = NULL, y = NULL, z = NULL)

Arguments

n

dimension of the square matrix

x

subdiagonal (-1)

y

diagonal (0)

z

superdiagonal (+1)

Value

Sparse tridiagonal matrix of class 'dgcMatrix'


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