| #------------------------------------------------------------- |
| # |
| # 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. |
| # |
| #------------------------------------------------------------- |
| |
| X = matrix(1, 1100, 2200); |
| Y = matrix(2, 1100, 10); |
| U = matrix(3, 1100, 10); |
| V = matrix(4, 2200, 10) |
| X[4:900,3:1000] = matrix(0, 897, 998); |
| |
| while(FALSE){} |
| |
| R1 = ((X!=0) * (U %*% t(V) - X)) %*% V + Y; |
| |
| while(FALSE){} |
| |
| R2 = as.matrix(sum(R1)); |
| write(R2, $1) |
