import java.lang.reflect.Field;import java.util.ArrayList;import java.util.Arrays;import java.util.List;public class Test2 {static double[][] matrixX1;static double[][] matrixX2;static double[][] matrixX3;static double[][] matrixX4;static double[][] matrixX5;public static void main(String[] args) {Test2 test = new Test2();matrixX1 = new double[][] { { -2969.1, 1039, 2307.75 }, { 3801.8, 1189.7, 2504.47 },{ 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 } };// 5*3矩阵matrixX2 = new double[][] { { -2969.1, 1039, 2307.75 }, { 3801.8, 1189.7, 2504.47 },{ 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 } };matrixX3 = new double[][] { { -2969.1, 1039, 2307.75 }, { 3801.8, 1189.7, 2504.47 },{ 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 } };matrixX4 = new double[][] { { -2969.1, 1039, 2307.75 }, { 3801.8, 1189.7, 2504.47 },{ 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 } };matrixX5 = new double[][] { { -2969.1, 1039, 2307.75 }, { 3801.8, 1189.7, 2504.47 },{ 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 }, { 3801.8, 1189.7, 2504.47 } };double[][] MarA = new double[][] { { 0.6 }, { 0.25 }, { 0.15 } };//3*1矩阵Field[] fields = Test2.class.getDeclaredFields();System.out.println(fields.length);List<double[][]> list = new ArrayList<double[][]>();for(Field f:fields){f.setAccessible(true);try {double[][] obj =(double[][])f.get(test);list.add(plus(generateRmamatrix(obj),MarA));} catch (IllegalArgumentException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();}}printResult(list);}// 输出结果最终结果private static void printResult(List<double[][]> list) {for (int i = 0; i < list.size(); i++) {for (int j = 0; j < list.get(i).length; j++) {System.out.println(Arrays.toString(list.get(i)[j]));}if(i!=list.size()-1){System.out.println("==================");}}}// 假设是m行n列private static double[][] generateRmamatrix(double[][] matrixX) {double[][] r = new double[matrixX.length][matrixX[0].length];for (int i = 0; i < r.length; i++) {for (int j = 0; j < r[0].length; j++) {r[i][j] = 0;double sumLie = 0;for (int k = 0; k < matrixX.length; k++) {sumLie += matrixX[k][j];// 每一列求和}r[i][j] = matrixX[i][j] / sumLie;sumLie = 0;}}return r;}/** 矩阵相乘 传入两个数组*/private static double[][] plus(double[][] matrix1, double[][] matrix2) {if (matrix1[0].length != matrix2.length) {// 若无法相乘则退出 行===列System.out.println("ivalid input");}double[][] plus = new double[matrix1.length][matrix2[0].length];for (int i = 0; i < plus.length; ++i) {for (int j = 0; j < plus[i].length; ++j) {// 每一个plus[i][j]的运算：plus[i][j] = 0;// 初始化for (int k = 0; k < matrix2.length; ++k)plus[i][j] += matrix1[i][k] * matrix2[k][j];}}return plus;}}