eigenResidop {scMerge} | R Documentation

## fast matrix residual operator using RcppEigen

### Description

fast matrix residual operator using RcppEigen

### Usage

    eigenResidop(A, B)

### Arguments

`A` | a matrix
`B` | a matrix

### Value

The matrix product of

A - B(B^t B)^{-1} B^t A

### Examples

    Y = M = diag(1, 500)
    system.time(scMerge::eigenResidop(Y, M))
    system.time(ruv::residop(Y, M))

[Package scMerge version 1.0.0 Index]