matlab循环中的并区间怎么表示
其实可以不用判断,只需要颠倒下顺序就可以了:forg=1:GBO(1:G,g,i)=-iEs(1:G,g,i)-x(g)/keff_old*ivEf(1:G,i);%或者不对,冒号用法老混淆,大致这意思B0(g,g,i)=iEr0(g,i)-x(g)/keff_old*ivEf(g,i);end就是说先给包含B0(g,g,i)在内的所有BO赋值,再将第g个替换掉非要用判断的话,可以这样:forg=1:GB0(g,g,i)=iEr0(g,i)-x(g)/keff_old*ivEf(g,i);forgg=1:Gifgg~=gBO(gg,g,i)=-iEs(gg,g,i)-x(g)/keff_old*ivEf(gg,i);endendend或者用while,就比较麻烦了,不推荐forg=1:GB0(g,g,i)=iEr0(g,i)-x(g)/keff_old*ivEf(g,i);gg=1;whilegg