Array operation inside summing

1 次查看（过去 30 天）
Hems
Hems 2016-7-25
评论： Hems 2016-8-2
I would like to make an array "A" from another array called "B" by summing up all previous elements till that element position ....please see below example
A=[1 2 3 4 5] and B array has to as follows
B=[1 1+2 1+2+3 1+2+3+4 1+2+3+4+5]
Please help me out I have quiet a big array to sum up like this.
  1 个评论
Hems
Hems 2016-7-25
编辑：Azzi Abdelmalek 2016-7-25
I found by myself thanks anyways guys...
a=[1 2 3 4 5];
b(1,1)=a(1,1)
for i=2:length (a)
b(1,i)=sum(a(1,1):a(1,i))
end
if you have any other ways please post it as well. Thanks!

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2016-7-25
编辑：Azzi Abdelmalek 2016-7-25
A=[1 2 3 4 5]
B=cumsum(A)

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Multidimensional Arrays 的更多信息

标签

Community Treasure Hunt

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

Start Hunting!

Translated by