Convert fast transform to matrix

Converts a fast transform created by fort() to the equivalent matrix form.

Usage

# S3 method for FastTransform
as.matrix(x, ...)

Arguments

x

An object of class FastTransform, created using fort().

...

Extra parameters (ignored).

Value

A matrix object equivalent to x.

See also

fort()

Examples

fast_transform <- fort(4, 15)
slow_transform <- as.matrix(fast_transform)
fast_result <- fast_transform %*% diag(4)
slow_result <- slow_transform %*% diag(4)
norm(fast_result - slow_result) # should be small
#> [1] 0