与java一起使用的最佳数学库是什么？

<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-math</artifactId>
  <version>2.2</version>
</dependency>

import org.apache.commons.math.MathException;
import org.apache.commons.math.linear.Array2DRowRealMatrix;
import org.apache.commons.math.linear.ArrayRealVector;
import org.apache.commons.math.linear.DecompositionSolver;
import org.apache.commons.math.linear.LUDecomposition;
import org.apache.commons.math.linear.MatrixContext;
import org.apache.commons.math.linear.RealMatrix;
import org.apache.commons.math.linear.RealVector;
import org.apache.commons.math.linear.VectorContext;
import org.apache.commons.math.linear.VectorialFunction;
import org.apache.commons.math.linear.VectorialFunctionMethod;

// 创建一个2x2的矩阵
RealMatrix matrix = new Array2DRowRealMatrix(new double[][] {
    {1, 2},
    {3, 4}
});

// 创建一个对角线矩阵
RealMatrix diagonalMatrix = new Array2DRowRealMatrix(new double[][] {
    {0, 0},
    {0, 0}
});

// 将矩阵加到对角线矩阵
diagonalMatrix.add(matrix);

// 打印对角线矩阵
System.out.println(diagonalMatrix);