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Is an object a Matrix?

Source: R/utilities_Matrix.R
is.Matrix.Rd

Arguably, this function should be in the Matrix package, but it is not. We include it here for convenience.

Usage

is.Matrix(a)

Arguments

a

The object to be queried if it is Matrix.

Value

A boolean. TRUE if a is a Matrix, FALSE otherwise.

Details

This function is not vectorized.

is.Matrix() is a wrapper for inherits(a, "Matrix).

Examples

is.Matrix(matrix(42))
#> [1] FALSE
is.Matrix(Matrix::Matrix(42))
#> [1] TRUE