A very simple question about a column vector creation

I am an extra beginner MATLAB user. There is a 1:m command to create a 1 2 .... m row matrix. However, I couldn't find how to create a column vector as 12: 13-m. I mean (assume m=5):
12
11
10
9
8

 採用された回答

Star Strider
Star Strider 2016 年 7 月 9 日

1 投票

If you want to decrement a vector, begin with the highest number and increment by a negative value to the desired end value. Here, the decrement value is -1:
m = 5;
v = [12: -1: m]'
v =
12
11
10
9
8
7
6
5
Is this what you want to do?

2 件のコメント

Taner Cokyasar
Taner Cokyasar 2016 年 7 月 9 日
I got the logic. Thank you very much. This is what I was looking for.
m = 5;
v = [12: -1: 13-m]'
v =
12
11
10
9
8
Star Strider
Star Strider 2016 年 7 月 9 日
My pleasure.
My apologies for the inaccurate code. I misunderstood your Question.

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