import org.jblas.DoubleMatrix; import org.jblas.MatrixFunctions; public class JblasParallelDemo { public static void main(String[] args) { DoubleMatrix matrixA = new DoubleMatrix(new double[][]{{1.0, 2.0}, {3.0, 4.0}}); DoubleMatrix matrixB = new DoubleMatrix(new double[][]{{5.0, 6.0}, {7.0, 8.0}}); DoubleMatrix result = matrixA.mmul(matrixB); System.out.println("Matrix multiplication result: "); System.out.println(result); } }