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alternate way , without ismember function

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Life is Wonderful
Life is Wonderful 2020-10-8
评论： Star Strider 2020-10-8
Hi
I am having problems in using the ismember function, so I want to replace ismember and I need help in replacing the function.
Below is example code
INData = [
0.0120849609375
0.014190673828125
0.015838623046875
0.01214599609375
0.012481689453125
0.0123291015625
0.621002197265625
0.017181396484375
0.015167236328125
0.015350341796875
0.014556884765625
0.01739501953125
0.621002197265625
0.023162841796875
0.017578125
0.01361083984375
0.01239013671875
0.012115478515625
0.012451171875
0.01702880859375
0.01214599609375
0.012725830078125
0.0125732421875
0.012603759765625
0.012359619140625
0.014190673828125
0.013214111328125
0.013427734375
0.01531982421875
0.621002197265625
0.01239013671875
0.013092041015625
0.017791748046875
0.015960693359375
];
dMark = [7 13 30];
s_data = ismember(1:size(INData(:,1),1),dMark);
s_data =
1×34 logical array
0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
I need help in replacing isemember function.
Thank you

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采纳的回答

Star Strider
Star Strider 2020-10-8
The ismember function is doing exactly what you told it to do! What’s the problem?
  20 个评论
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Life is Wonderful
Life is Wonderful 2020-10-8
Thanks a lot for all the efforts and help. I am greatful for your explantion as well.
Star Strider
Star Strider 2020-10-8
As always, my pleasure!
This was an interesting problem!

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更多回答（1 个）

Ameer Hamza
Ameer Hamza 2020-10-8
An alternative approach
dMark = [7 13 30];
s_data = false(1, size(INData, 1));
s_data(dMark) = 1;
  3 个评论
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Ameer Hamza
Ameer Hamza 2020-10-8
Don't check the output of s_data(dMark). Just run
s_data
after running my code.
Life is Wonderful
Life is Wonderful 2020-10-8
Your interpretation is right s_data give right output!

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