Sum = 0 n = 0 t = 1 For i = 1 To 100 Sum = Sum + t / n n = n + 1 t = -t Next i 结果除数为0Sum = 0n = 0t = 1For i = 1 To 100Sum = Sum + t / nn = n + 1t = -tNext i 结果出现除数为0的情况 请问哪里错了?

Sum = 0 n = 0 t = 1 For i = 1 To 100 Sum = Sum + t / n n = n + 1 t = -t Next i 结果除数为0Sum = 0n = 0t = 1For i = 1 To 100Sum = Sum + t / nn = n + 1t = -tNext i 结果出现除数为0的情况 请问哪里错了? PI的 初始值为什么是pi=1#includemain(){int s;float n,t,pi;t=1,pi=0;n=1.0;s=1;while(fabs(t)>1e-6){pi=pi+t;n=n+2;s=-s;t=s/n;}pi=pi*4;printf("pi=%10.6f ",pi);}PI的初始值为什么是 0我看错了 因为PI是SUM sum=sum+T SUM第 MATLAB图像是什么样子的啊?fs=10000;t=[0:1/fs:0.1];f0=50;sum=0;subplot(211)for n=1:2:9plot(t,4/pi*1/n*cos(2*pi*n*f0*t),'k');hold on;endtitle('信号叠加前');subplot(212)for n=1:2:9;sum=sum+4/pi*1/n*cos(2*pi*n*f0*t);endplot(t,sum,'k');title( #include int main() { int n,a,sum=1,k; scanf(%d,&n); for(k=n;k>0;k--) sum=sum*k; // a=su 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 sum+=n;是什么意思 程序填空 计算正整数n各位数字之和 main() {int n,sum=0; scanf (“%d”,&n); while( _⑷___ ) {sum=sum+nmain(){int n,sum=0;scanf (“%d”,&n);while( _⑷___ ){sum=sum+n%10;n= ⑸ ;}printf(“sum=%d”,sum);} vf中,用FOR循环语句编程求2!＋4!＋…＋（2n）!,其中i!程序提示：输入n的值sum=0for i=1 to n调用过程求(2i)!,格式为：do sum=sum+temdforsumreturn**下面为过程的定义算法procedure publit t &&t=(2i)!为全局变量t=1 利用公式求cos x的近似值,精确度为10-6 #include#define PI 3.14159main(){int n,xx;float t,sum,x;printf(请输入弧度x=π/xx对应的分母值:);scanf(%d,&xx);x=PI/xx;t=x;n=0;sum=0;do{sum+=t;t=-t*x*x/(n+1)*(n+2);n+=2;}while(fabs(t)>=1e C++用函数递归求1+2+到n的问题#includeint sum(int n){int t=0;if(n 用C++编写程序：计算并输出∑（2n+1)超过1000的第一个n值（n从1开始）.#includestdio.hvoid main(){ int n=1,sum=0;for(;;n++) {sum=sum+_____;if(________)break;}printf(n=%d,sum=%d ,n,sum);}补充空白处 matlab怎么输出结果?我用matlab输入 sum=0;n=0;while sum c语言 π/2=1+1/3*2/5+1/3*2/5*3/7+1/3*2/5*3/7*4/9+...求π精确到0.0001double n,t,sum,pi;sum=1.0；n=1.0t=1.0；do{t=t*（n/(2*n+1)）；sum=sum+t;}while(n/(2*n+1) 关于matlab的问题,在线等,急求!clearclc;A=imread('finger.tif');subplot(121),imshow(A);[m,n]=size(A);Sum=sum(sum(A));%求和T0=Sum/(m*n);%初始阈值T0=round(T0);%取整a=zeros(m,n);T=0;while(T0~=T) sum1=0; sum2=0; count1=0; count 求1!+2!+3!+.+n!怎么错了#include int h (int n) {using namespace std; int sum=0,s=1,t; sum=0 for i= 1 to 100 sum=sum+i next i print sum 我不懂为什么要SUM=0又SUM=SUM+i 详 maple 怎么用maple 做Sum(1/n^2) sum上面是无限 下面n=0 下面是n=0 怎么办 程序求圆周率的值,求大神教育T T#include#includeint main(){int k=1,n=0;double m,pi,sum=0;while(fabs(m)>=1e-6){if((k-1)%2==0)m=1/k;else m=-(1/k);//m在这里怎么会等于0了k=k+2;sum=sum+m;}pi=sum/4;printf(pi=%lf ,pi);return 0;}最后