| #------------------------------------------------------------- |
| # |
| # 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. |
| # |
| #------------------------------------------------------------- |
| |
| |
| # Read matrices X, U, V, and W |
| X = read($1) |
| U = read($2) |
| V = read($3) |
| W = read($4) |
| type = $5 |
| |
| # Perform operations |
| if(type == 1) { |
| R = sum(W * (X - U %*% t(V))^2) |
| } |
| else if(type == 2) { |
| R = sum(W * (U %*% t(V) - X)^2) |
| } |
| else if(type == 3){ |
| R = sum((X - W * (U %*% t(V)))^2) |
| } |
| else if(type == 4){ |
| R = sum((W * (U %*% t(V)) - X)^2) |
| } |
| else if(type == 5){ |
| R = sum((X - (U %*% t(V)))^2) |
| } |
| else if(type == 6){ |
| R = sum(((U %*% t(V)) - X)^2) |
| } |
| |
| |
| # Write the result scalar R |
| write(R, $6) |
