编译时出现expected a declaration
各位大侠,我的一个程序里编译时出现expected a declaration,下面复制一段程序并注明错误的地方,请各位大侠赐教,感激不尽。
for(i = 0;i < nx1; i++) //expected a declaration
A[i*By + i] = 1.0;
for(i = 0;i < By; i++) //expected a declaration
A[By*nx1 + i*By + i] = -1.0;
for(i = 0;i < nx1; i++) //expected a declaration
A[By*(By + nx1) + i] = -0.1;
for(i = nx1;i < By; i++) //expected a declaration
A[By*(By + nx1) + i] = 1.0;