R.utils (version 2.9.1)

Assert$isMatrix: Static method asserting that an object is a matrix

Description

Static method asserting that an object is a matrix.

Usage

## Static method (use this):
## Assert$isMatrix(x, nrow=NULL, ncol=NULL, ...)
## Don't use the below:
# S3 method for Assert
isMatrix(static, x, nrow=NULL, ncol=NULL, ...)

Arguments

x

Object to be checked.

nrow

Required number of rows. If NULL, this is not checked.

ncol

Required number of columns. If NULL, this is not checked.

...

Not used.

Value

Returns (invisibly) TRUE, or throws an exception.

See Also

For more information see Assert.