C++ Code

#include  #include using namespace std; vector> mat_mul(vector> A, vector> B) { int r1 = A.size(); int r2 = B.size(); if(r1==0 || r2==0) throw "Empty matrix"; int c1 = A[0].size(); int c2 = B[0].size(); if(c1==0 || c2==0) throw "Empty matrix"; if(c1!=r2) throw "#Columns in A not equal to #Rows in B"; int r3 = r1, c3 = c2; vector> res(r3, vector (c3, 0)); for(int i=0; i> A = {{1,2,3,4}}; vector> B = {{9},{8},{7},{6}}; vector> AB; try { AB = mat_mul(A, B); } catch(const char* msg) { cerr< 
Write the ARM code to do this with arrays.