plot y(i)

2011 5 13
1 个回答
3 次查看（30 天）

0 个投票

[EDIT: 20110513 13:39 CDT - reformat - WDR]
hi,
i have this sum:
for i=2:200
y=y+i;
how i can use plot to trace y=f(i)
thanks in advance

请先登录，再回答此问题。

回答（1 个）

Walter Roberson
Walter Roberson 2011-5-13

1 个投票

y = cumsum(2:200);
plot(y)
Or, using the for loop
x = 2:200;
numx = length(x);
y = zeros(numx,1);
ty = 0;
for i = 1:numx
ty = ty + x(i);
y(i) = ty;
end
plot(y)

6 个评论
显示 4更早的评论 隐藏 4更早的评论

mouna
mouna 2011-5-13
yes; thank you very much
bym
bym 2011-5-13
you might also "accept" the answer
mouna
mouna 2011-5-17
good morning,
for example in this same equation how i can plot 3 slabs (y1,y2,y3) in the same graph??
Robert Cumming
Robert Cumming 2011-5-17
hold on
Jan
Jan 2011-5-17
plot(y1); hold('on'); plot(y2); plot(y3)
Walter Roberson
Walter Roberson 2011-5-17
Or,
plot(x,y1,x,y2,x,y3)

请先登录，再进行评论。

类别

在 帮助中心 和 File Exchange 中查找有关 2-D and 3-D Plots 的更多信息

标签

提问:

mouna
mouna
2011-5-13

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by