blob: 81cd582d25c9e144a2b7345a2b474e888059bf42 [file] [log] [blame]
#-------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#-------------------------------------------------------------
args <- commandArgs(TRUE)
options(digits=22)
library("Matrix")
X = as.matrix(readMM(paste(args[1], "X.mtx", sep="")))
U = as.matrix(readMM(paste(args[1], "U.mtx", sep="")))
V = as.matrix(readMM(paste(args[1], "V.mtx", sep="")))
W = as.matrix(readMM(paste(args[1], "W.mtx", sep="")))
sl = sum( W * (X - U %*% t(V)) ^ 2 );
R = as.matrix(sl);
writeMM(as(R, "CsparseMatrix"), paste(args[2], "R", sep=""));