<dependency> <groupId>org.jblas</groupId> <artifactId>jblas</artifactId> <version>1.2.4</version> </dependency> import org.jblas.*; DoubleMatrix matrix = new DoubleMatrix(new double[][]{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}); DoubleMatrix vector = new DoubleMatrix(new double[]{1, 2, 3}); DoubleMatrix result1 = matrix.mmul(matrix); double dotProduct = vector.dot(vector); DoubleMatrix transposedMatrix = matrix.transpose(); DoubleMatrix invertedMatrix = Solve.pinv(matrix); System.out.println("Result1: " + result1); System.out.println("Dot product: " + dotProduct); System.out.println("Transposed matrix: " + transposedMatrix); System.out.println("Inverted matrix: " + invertedMatrix); System.setProperty("org.jblas.library.path", "/path/to/libraries");