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MatrixOperatorImpl.java
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/
MatrixOperatorImpl.java
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/*
* Copyright 2012-2017 Hippo B.V. (http://www.onehippo.com)
*
* Licensed 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.
*/
package org.hippoecm.hst.demo.addonmodules.linearalgebra;
import org.apache.commons.math3.linear.Array2DRowRealMatrix;
import org.apache.commons.math3.linear.LUDecomposition;
import org.apache.commons.math3.linear.RealMatrix;
import org.hippoecm.hst.demo.addonmodules.api.MatrixOperator;
public class MatrixOperatorImpl implements MatrixOperator {
public double[][] inverse(double[][] matrixData) {
RealMatrix m = new Array2DRowRealMatrix(matrixData);
return new LUDecomposition(m).getSolver().getInverse().getData();
}
public double[][] multiply(double [][] matrixData1, double [][] matrixData2) {
RealMatrix m1 = new Array2DRowRealMatrix(matrixData1);
RealMatrix m2 = new Array2DRowRealMatrix(matrixData2);
RealMatrix result = m1.multiply(m2);
return result.getData();
}
}