View Compilation Error

0_0_6667469_28118.cpp:1:20: Mat.h: No such file or directory
0_0_6667469_28118.cpp: In function `int main()':
0_0_6667469_28118.cpp:7: error: `Mat' undeclared (first use this function)
0_0_6667469_28118.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6667469_28118.cpp:7: error: expected `;' before "A"
0_0_6667469_28118.cpp:9: error: `mod' undeclared (first use this function)
0_0_6667469_28118.cpp:12: error: `A' undeclared (first use this function)
0_0_6667469_28118.cpp:13: error: `F1' undeclared (first use this function)
0_0_6667469_28118.cpp:14: error: `e' undeclared (first use this function)
0_0_6667469_28118.cpp:15: error: `ans' undeclared (first use this function)
0_0_6667469_28118.cpp:17: error: `temp' undeclared (first use this function)