import de.jungblut.math.DenseDoubleMatrix;
import de.jungblut.math.DoubleMatrix;
DoubleMatrix matrix1 = new DenseDoubleMatrix(new double[][]{
{1, 2, 3},
{4, 5, 6},
{7, 8, 9}
});
DoubleMatrix matrix2 = new DenseDoubleMatrix(new double[][]{
{9, 8, 7},
{6, 5, 4},
{3, 2, 1}
});
DoubleMatrix sumMatrix = matrix1.add(matrix2);
<dependency>
<groupId>de.jungblut.math</groupId>
<artifactId>tjungblut-math</artifactId>
<version>0.6.0</version>
</dependency>
