package D7Z;
import java.util.Scanner;
public class Matrix {
public static double[][] multiplyMatrix(double[][] a,double[][] b){
if(a[0].length!=b.length){
System.out.println("第一个矩阵的列不等于第二个矩阵的行!无法进行矩阵相乘运算!");
return null;
}else{
double[][] c=new double[a.length][b[0].length];
for(int i=0;i<a.length;i++){
for(int j=0;j<b[0].length;j++)
for(int t=0;t<a[0].length;t++)
{
c[i][j]+=a[i][t]*b[t][j];
}
System.out.println();
}
return c;
}
}
public static void displayMatrix(double[][] a){
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
System.out.print(a[i][j]);
System.out.print("\t");
}
System.out.println();
}
}
public static double[][] createMatrix(){
Scanner input=new Scanner(System.in);
import java.util.Scanner;
public class Matrix {
public static double[][] multiplyMatrix(double[][] a,double[][] b){
if(a[0].length!=b.length){
System.out.println("第一个矩阵的列不等于第二个矩阵的行!无法进行矩阵相乘运算!");
return null;
}else{
double[][] c=new double[a.length][b[0].length];
for(int i=0;i<a.length;i++){
for(int j=0;j<b[0].length;j++)
for(int t=0;t<a[0].length;t++)
{
c[i][j]+=a[i][t]*b[t][j];
}
System.out.println();
}
return c;
}
}
public static void displayMatrix(double[][] a){
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
System.out.print(a[i][j]);
System.out.print("\t");
}
System.out.println();
}
}
public static double[][] createMatrix(){
Scanner input=new Scanner(System.in);