Limei Cheng

Last seen: 約1年前 | 2020 年からアクティブ

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質問

changing frequency of a time domain signal by either frequency multiplication or frequency division
I have a periodical signal with period of 1 sec (and samling rate Fs=1000 HZ). Now, I'd like to use FFT and iFFT to change the p...

2年弱前 | 0 件の回答 | 0

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質問

find indices of each first repeated elements in the array (full of repeated values)
The array is about millions length long and full of small segments each with repeated values. Part of the array example is here:...

4年弱前 | 1 件の回答 | 1

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質問

find indicies of maximum and minmum elements of an array in its each segmented smaller arrays, plus mean
I have a large array A (1x3,000,000) and it was segmented by an indexA (1x5,000). Part of A (first 100 element) and indexA are a...

4年弱前 | 2 件の回答 | 0

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質問

find minumum indices of one array in another array
I have two arrays as below: A= [ 47 100 153 207 261 314 368 422 474 527 581 635 687 741 794 847 ...

4年弱前 | 2 件の回答 | 0

回答

Thankful Level 2