Need help.... How to plot sequences

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Connor Wright
Connor Wright 2020-11-27
评论： Star Strider 2020-11-27
Hello,
I have a report due in two days and have no idea how to plot this sequence. I know almost nothing about Matlab and my tutors as usual have been no help at all.
If some one can help me out here I would greatly appriciate it.
The sequence is:
𝑥(𝑛) = {… , 5, 4, 3, 2, 1, 5, 4, 3, 2, 1, 5, 4, 3, 2, 1, … }
Cheers
  2 个评论
Mario van Rooij
Mario van Rooij 2020-11-27
Where does the n come into play? What do you want to plot when n = 10 for example?
Connor Wright
Connor Wright 2020-11-27
I want to plot −20 ≤ 𝑛 ≤ 12.

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采纳的回答

Star Strider
Star Strider 2020-11-27
The mod function and the colon,: operator are your friends!
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Connor Wright
Connor Wright 2020-11-27
I really am sorry about this but I dont understand what you mean.
Star Strider
Star Strider 2020-11-27
Please experiment!
Use my example as a guide, and carefully read the documentation for colon. Note how to use it to code a descending sequence.

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