Example 1: how to do matrix multiplication in c double [ ] [ ] c = new double [ N ] [ N ] ; for ( int i = 0 ; i < N ; i ++ ) { for ( int j = 0 ; j < N ; j ++ ) { for ( int k = 0 ; k < N ; k ++ ) { c [ i ] [ j ] += a [ i ] [ k ] * b [ k ] [ j ] ; } } } Example 2: matrix multiplication in c # include <stdio.h> void enterData ( int first [ ] [ 10 ] , int second [ ] [ 10 ] , int r1 , int c1 , int r2 , int c2 ) ; void multiplyMatrices ( int first [ ] [ 10 ] , int second [ ] [ 10 ] , int multResult [ ] [ 10 ] , int r1 , int c1 , int r2 , int c2 ) ; void display ( int mult [ ] [ 10 ] , int r1 , int c2 ) ; int main ( ) { int first [ 10 ] [ 10 ] , second [ 10 ] [ 10 ] , mult [ 10 ] [ 10 ] , r1 , c1 , r2 , c2 ; printf ( "Enter rows and column for the first matrix: " ) ; scanf ( "%d %d" , & r1 , & c1 ) ; printf ( "Enter ro...