View Compilation Error

0_0_14678285_8142.cpp: In function 'int main()':
0_0_14678285_8142.cpp:65:16: error: expected primary-expression before 'M'
         Matrix M(10,10);
                ^
0_0_14678285_8142.cpp:68:28: error: 'M' was not declared in this scope
                 if(j == 0) M.mat[i][0] = a[i];
                            ^
0_0_14678285_8142.cpp:69:22: error: 'M' was not declared in this scope
                 else M.mat[i][j] = i+1==j;
                      ^
0_0_14678285_8142.cpp:70:44: error: 'M' was not declared in this scope
         Matrix ans = mulMatrix(A,powMatrix(M,k-9));
                                            ^