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250 changes: 250 additions & 0 deletions programs/C/matrix_calc.cpp
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Original file line number Diff line number Diff line change
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#include<stdio.h>
#include<conio.h>
#include<ctype.h>
#include<stdlib.h>
#include<string.h>
int m[5][5];
int n[5][5];
int get_matrix1(int a, int b){



for(int i=0;i<a;i++){
for(int j=0;j<b;j++){
printf("enter the value of [%d][%d] :",i,j);
scanf("%d",&m[i][j]);



}

}
printf("the entered matrix is :\n");
for(int k=0;k<a;k++){
for(int l=0;l<b;l++){
printf("%d ",m[k][l]);




}
printf("\n");

}
return 0;
}

int get_matrix2(int a, int b){



for(int i=0;i<a;i++){
for(int j=0;j<b;j++){
printf("enter the value of [%d][%d] :",i,j);
scanf("%d",&n[i][j]);



}

}
printf("the entered matrix is :\n");
for(int k=0;k<a;k++){
for(int l=0;l<b;l++){
printf("%d ",n[k][l]);




}
printf("\n");

}
return 0;

}
int add(int a, int b){
for (int i=0;i<a;i++){
for (int j=0;j<b;j++){
printf("%d ",m[i][j]+n[i][j]);
}
printf("\n");
}
return 0;
}
int sub(int a, int b){
for (int i=0;i<a;i++){
for (int j=0;j<b;j++){
printf("%d ",m[i][j]-n[i][j]);
}
printf("\n");
}
return 0;
}
int multi(int a, int b , int c ){
int r=0;
for(int i=0;i<a;i++){for(int j=0;j<b;j++ ){
for(int k=0;k<c;k++){

r=r+(m[i][k]*n[k][j]);
if(k==c-1){
printf("%d",r);
r=0;
}
}

printf(" ");
}
printf("\n");
}
}
int trans1(int a,int b){


char c;
int t[a][b];

system("cls");


for (int i=0;i<a;i++){
for(int j=0;j<b;j++){
t[j][i]=m[i][j];


}
}

for (int k=0;k<a;k++){
for(int l=0;l<b;l++){
printf("%d ",t[k][l]);


}
printf("\n");
}
}
int trans2(int a , int b){
int t[a][b];

system("cls");


for (int i=0;i<a;i++){
for(int j=0;j<b;j++){
t[j][i]=n[i][j];


}
}

for (int k=0;k<a;k++){
for(int l=0;l<b;l++){
printf("%d ",t[k][l]);


}
printf("\n");
}


}


int main(){
char select;
char oprator;
printf("********************************************************************************");
printf("********************************************************************************");
printf("\n\n\n\n");
printf("-------------------------------MATRIX CALCULATOR--------------------------------\n\n\n\n");
printf("********************************************************************************");
printf("********************************************************************************");
printf("\n\n\n\n");
printf("select from the following :\n s to start");
getch();
select=toupper(getch());
if (select=='S') goto home;

else {
exit(1);
}


home:
system("cls");
int a,b,c,d;
char tsel;

printf("enter the number of rows of matrix 1:");
scanf("%d",&a);
printf("enter the number of column of matrix 1:");
scanf("%d",&b);
get_matrix1(a,b);
printf("enter the nnumber of rows of matrix 2:");
scanf("%d",&c);
printf("enter the number of column of matrix 2:");
scanf("%d",&d);
get_matrix2(c,d);

printf("press any key to continue");
getch();
selection :
system("cls");
printf("select the operator from below :\n 1.A to add \n 2.B to subtract\n 3.C to multiplcation\n 4. T for transpose \n 5.R to start again\n ");
oprator=toupper(getch());

if (oprator=='A'){
system("cls");
printf("result :\n");
add(a,d);
}



else if (oprator=='B'){
system("cls");
printf("result :\n");
sub(a,d);
}

else if (oprator=='C'){
system("cls");
printf("result :\n");
multi(a,d,b);
}
else if (oprator=='T'){
back :
system("cls");
printf("select the matrix which you want to find the transpose (a & B) :");
tsel=toupper(getch());
if (tsel=='A')
trans1(a,b);
else if(tsel=='B')trans2(c,d);
else {printf("select the right matrix : ");
goto back;
}
}
else if (oprator=='D'){







}
else if (oprator=='R') goto home ;
else {printf("enter the right operator ");
goto selection ;



}





}

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