<dependency> <groupId>org.jblas</groupId> <artifactId>jblas</artifactId> <version>1.2.4</version> </dependency> import org.jblas.DoubleMatrix; public class MatrixMultiplicationExample { public static void main(String[] args) { DoubleMatrix matrix1 = new DoubleMatrix(new double[][]{{1, 2, 3}, {4, 5, 6}}); DoubleMatrix matrix2 = new DoubleMatrix(new double[][]{{7, 8}, {9, 10}, {11, 12}}); DoubleMatrix result = matrix1.mmul(matrix2); System.out.println(result); } }