https://github.com/cran/fields
Tip revision: f2ea916e79625f00378265f4b6112c1f1c1a5c97 authored by Douglas Nychka on 14 May 2019, 20:10:03 UTC
version 9.8-1
version 9.8-1
Tip revision: f2ea916
diag.multiply.test.R
# fields is a package for analysis of spatial data written for
# the R software environment .
# Copyright (C) 2018
# University Corporation for Atmospheric Research (UCAR)
# Contact: Douglas Nychka, nychka@ucar.edu,
# National Center for Atmospheric Research,
# PO Box 3000, Boulder, CO 80307-3000
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
suppressMessages(library(fields))
options( echo=FALSE)
set.seed( 234)
test.for.zero.flag<- 1
n <- 5
m <- 4
mat <- array(rnorm(n*m),c(n,m))
mat2 <- array(rnorm(n*m),c(m,n))
vec <- rnorm(n)
vec2 <- rnorm(n)
test.for.zero( mat2 %*% mat, mat2%d*%mat, tol=1e-8 )
test.for.zero( (diag(vec)%*% mat), (vec%d*%mat), tol=1e-8 )
test.for.zero( diag(vec)%*% vec2, vec%d*%vec2,tol=1e-8)
cat("All done with testing diag multiply", fill=TRUE)
options(echo=TRUE)