skipping numbers in a data

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Hi everyone.

I have been trying to write a MATLAB code to plot only some sequentially selected points in a data set.

For example, I have a data set of n=[1 2 3 4 5 6 7 8 9 10.......95 96 97 98 99 100]. but i am only intersted to select and plot every other 5 points...i.e

n=[1 5 10 15 20 25.................80 85 90 95 100 ].

please can someone help me out. I tried with the for loop, it seems not to work for me.

Thank you all for your kind reply

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Stephen23 2020-7-10

在 MATLAB Online 中打开

Your sampling is a bit odd: if you select "every other 5 points" like you write (i.e. with a step of 5) then you will get

n = [1,6,11,16,21...]

and the difference between each value is 5. But your example has inconsistent steps: the first step is 4, all the other steps are 5:

>> n = [1,5,10,15,20,25]; % your example n
>> diff(n)
ans = 4   5   5   5   5

Eshovo Moses 2020-7-10

Thank you Stephen.... I think "the step of 5" in my explanation was misleading. I actually meant all the multiples of 5 with 1 inclusive. Anyway madhan ravi has given an excellent solution.

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