=IF(SUM(C1:D1)0,SUM(D1:I1)/SUM(C1:D1)*100,0) 烦请知者具体讲解 劳烦赐教

=IF(SUM(C1:D1)0,SUM(D1:I1)/SUM(C1:D1)*100,0) 烦请知者具体讲解 劳烦赐教 IF(D1=SUM(G1:P1),A1+C1-B1,公式取数错误,请检查) =IF(A3,SUM(B$2:B2)-SUM(C$1:C1),) 看不懂 =IF(SUM(A1:A5)>0,SUM(A1:A5) 下面公式那个是正确的:A.=SUM[c1:di] B.=8^2 C.c1：d1 =IF(SUM($G$5:$G$33)=0,0,G14/SUM($G$5:$G$33)) sum(A1:A10+B1:B10)公式=sum(A1:A10+C1:C10)是否与=SUM（A1：A10)+SUM(C1：C10)一个意思 求excel函数=IF(SUM(L3:SQ3)0,–SUMPRODUCT((L3:SQ3/SUM(L3:SQ3)),(IF(L3:SQ3>0,(LN(L3:SQ3/SUM(L3:SQ3)))))),(–))=IF(ABS(SUM(L3:SQ3)–0.5)0.5,IF(SUM(L3:SQ3)/COUNTIF(L3:SQ3,>0)=1,(–),IF(COUNTIF(L3:SQ3,>0)–COUNTIF(L3:SQ3,>=1)=0,1/SUM((L3 matlab 中if sum(x>0&x matlab小段代码求解释function [R,mx,my,mse]=circle_detect(x,y)N=length(x);a1=2*(sum(x)^2-N*sum(x.*x));a2=2*(sum(x)*sum(y)-N*sum(x.*y));b1=a2;b2=2*(sum(y)^2-N*sum(y.*y));c1=sum(x.*x)*sum(x)-N*sum(x.^3)+sum(x)*sum(y.*y)-N*sum(x.*y.*y);c2=sum(x.*x matlab 求亮度 程序,看不懂,function B=Brightness(Y)[m,n,d]=size(Y);b=0;if d==1B=sum(Y(:))/(m*n);endif d==3B(1)=sum(sum(Y(:,:,1)))/(m*n);B(2)=sum(sum(Y(:,:,2)))/(m*n);B(3)=sum(sum(Y(:,:,3)))/(m*n);end 麻烦EXCEL,=IF((DE372-(CA372-CQ372))>=0,AF372,IF((DE372-(SUM(OFFSET(CB372,$V$2+1))-SUM(OFFSET(CR372,$V$2))))>=0,AF372,IF(AND((SUM(OFFSET(CB372,$V$2+1))-SUM(OFFSET(CR372,$V$2))-DE372)>0,(SUM(OFFSET(CB372,$V$2+1))-SUM(OFFSET(CR372,$V$2))-DE372) Excel 中IF函数的解释=IF(IF(($E$5+$E$8-SUM(H47:$H$49))0,0,IF(($E$5+$E$8-SUM(H47:$H$49)) double sum=0 与double sum=0.0 为什么我的MATLAB,for程序只运行一次加和 sum=0; for i=2;10 sum=sum+i end ans = 10 sum = 2sum=0;for i=2;10sum=sum+iendans =10sum =2sum=0;for i=2;10sum=sum+iendans =10sum =2 excel中:=SUM(IF(MID(A1,COLUMN(A1:E1),1)=a,1,0))怎么解释此函数如何解释=SUM(IF(MID(A1,COLUMN(A1:z1),1)=a,1,0))我的a1是:aaaa=1在D1中输入:上面的公式按ctrl+shift+回车后 得到4 请问 怎么解释这个函数特别是那 C语言计算1+2+3+···+100我用的以下语句main (){int sum=0,i=0;for (;;){i=i+1;sum=sum+i;if (i=100)break;}printf (sum=%d ,sum);getch ();}为什么输出的结果是 sum=1哪里错了呢 matlab里边这个sum（X,1）,sum（X,Examples:If X = [0 1 23 4 5]then sum(X,1) is [3 5 7] and sum(X,2) is [ 312];sum(X,1）是不是第一列求和啊?那为什么不是3 而是 [3 5 7] 那sum(X,