Nothing
#devtools::use_package("testthat")
#library('testthat')
context("Randomized QB decomposition")
#Load rsvd library
library(rsvd)
#Set seed
set.seed(1234)
#Accuray
atol_float64 <- 1e-8
#*************************************************************************************
# Test: real input matrix
#*************************************************************************************
#Create real random test matrix of dimension m x n with target rank k
m = 50
n = 30
k = 10
testMat <- matrix(runif(m*k), m, k)
testMat <- testMat %*% t(testMat)
testMat <- testMat[,1:n]
#Randomized QB decomposition, standard
rqb_out <- rqb(testMat)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 1: Randomized QB decomposition, standard", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 2: Randomized QB decomposition, k=k", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k, p=0, q=0)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 3: Randomized QB decomposition, k=k, p=0, q=0", {
testthat::expect_equal(testMat, testMat.re)
})
#*************************************************************************************
# Test: complex input matrix
#*************************************************************************************
testMat <- matrix(runif(m*k), m, k) + 1i* matrix(runif(m*k), m, k)
testMat <- testMat %*% H(testMat)
testMat <- testMat[,1:n]
#Randomized QB decomposition, standard
rqb_out <- rqb(testMat)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 4: Randomized QB decomposition, standard", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 5: Randomized QB decomposition, k=k", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k, p=0, q=0)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 6: Randomized QB decomposition, k=k, p=0, q=0", {
testthat::expect_equal(testMat, testMat.re)
})
#*************************************************************************************
# Test: complex input matrix transposed
#*************************************************************************************
testMat <- H(testMat)
#Randomized QB decomposition, standard
rqb_out <- rqb(testMat)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 4: Randomized QB decomposition, standard", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 5: Randomized QB decomposition, k=k", {
testthat::expect_equal(testMat, testMat.re)
})
#Randomized QB decomposition, low-rank
rqb_out <- rqb(testMat, k=k, p=0, q=0)
testMat.re = rqb_out$Q %*% rqb_out$B
testthat::test_that("Test 6: Randomized QB decomposition, k=k, p=0, q=0", {
testthat::expect_equal(testMat, testMat.re)
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.