local variable 'n' used without having been initialized#includemain(){int n,m,k,l,v=0;m=n/100;k=n%100/10;l=n%10;for(n=100;n

local variable 'x' used without having been initialized是什么意思 warning C4700:local variable 'L' used without having been initialized local variable 'd' used without having been initialized是什么意思 local variable 'S' used without having been initialized local variable 'n' used without having been initialized#includemain(){int n,m,k,l,v=0;m=n/100;k=n%100/10;l=n%10;for(n=100;n are u a local girl? variable 菜鸟求教：MATLAB limit用法>> f=sym('x^2+4*x+10')>> limit(f,x,a)Undefined function or variable 'x'.>> limit(f,a)Undefined function or variable 'a'.还有：>> f=sym('sqrt(1+1/n)');>> limit(f,n,inf)Undefined function or variable 'n'.>> int(f,v)U #include void main(){int a,b;scanf(%d %d ,a,b);printf(%d %d ,a,b);}然后就local variable 'a' used without having been initialized了本地变量a未初始化 应该怎么该？ 请问下面这个警告表示什么意思?warning C4700:local variable 'a' used without having been initialized 但是定义了之后又有提示warning C4700:local variable 'count' used without having been initialized 请友人帮忙讲解一下$GLOBALS的含义：function test() {$foo = local variable;echo '$foo in global scope:' .$GLOBALS[foo] . ;echo '$foo in current scope:' .$foo . ;}$foo = Example content;test();上面输出$foo in global scope:Ex Local local eclipse中,“The local variable XXX may not have been initialized”是什么意思为什么局部变量要被始化?我不初始化,我不调用它不就完了. Java里Resource leak:'input' is never closed和The value of the local variable a is not used是什么RT matlab中Error:Missing variable or function.clearmt=3.734;u=0.0685;M=20;n=0.3;Dl=0.35;Dt=0.1;t=30;X=-50:50:250;Y=-50:50:50;[x,y]=meshgrid(X,Y);bata=sqrt(u^2*x.^2/(4*Dl^2)+u^2*y.^2./(4*Dl*Dt));K0=besselk(0,bata)miu=u^2*t/(4*Dl)W=int(y.^-1*exp(-y.-bata local variable 'l' used without having been initialized#include void main(){int max(int x,int y,int z);int a,b,c,e;scanf(%d,%d,%d,&a,&b,&c);e=max(a,b,c);printf(max=%d ,e);}int max(int x,int y,int z){int l;if(x>y,x>z) x=l;if(y>x,y>z) y=l;