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Thread: Removing some elements from array based on a condition
Post: Removing some elements from array based on a condi...
| Hi, I have this matlab code
A(A> numel(B)) = [ ];
where A and B are two arrays.
The code above, as I interpreted it, removes some of the elements in the A array based on the condition in the bra... |
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claw91 |
General Coding Help |
0 |
1,519 |
Oct-27-2020, 03:42 PM |
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Thread: Convolution "same" in Python doesn't work as Matlab
Post: RE: Convolution "same" in Python doesn't work as M...
| (Sep-30-2020, 02:46 PM)DeaD_EyE Wrote: You can trim the second array to the same size of the first array.
The other options for mode aren't helpful.
How is matlab doing this?
What do you mean by "h... |
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claw91 |
Data Science |
4 |
3,765 |
Oct-01-2020, 08:59 AM |
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Thread: Convolution "same" in Python doesn't work as Matlab
Post: RE: Convolution "same" in Python doesn't work as M...
| (Sep-30-2020, 12:22 PM)DeaD_EyE Wrote: If M < N, then max(M, N) == N
Why should M be bigger than N?
I use the convolve function to smooth graphs.
The array M should be smaller than N.
If M <... |
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claw91 |
Data Science |
4 |
3,765 |
Sep-30-2020, 01:58 PM |
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Thread: Convolution "same" in Python doesn't work as Matlab
Post: Convolution "same" in Python doesn't work as Matla...
| Hello, I'm trying to replicate Matlab's convolution aka conv function.
Matlab's conv works like this:
Quote:w = conv(u,v,shape) returns a subsection of the convolution, as specified by shape. For e... |
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claw91 |
Data Science |
4 |
3,765 |
Sep-30-2020, 09:05 AM |
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Thread: numpy in1d with two simple arrays
Post: RE: numpy in1d with two simple arrays
| (Sep-19-2020, 12:16 AM)scidam Wrote: I suspect that you want to do something like this L[np.in1d(L+1, L)]. But I cann't understand why you have 11 in the result array stated as correct. Neither L, n... |
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claw91 |
General Coding Help |
3 |
2,601 |
Sep-21-2020, 09:46 AM |
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Thread: numpy in1d with two simple arrays
Post: numpy in1d with two simple arrays
| I have this Matlab code
T = L(find(ismember(L+1,L)));
and I want to replicate it into Python.
This is my L array
L = np.array([ 1, 3, 5, 7, 12, 13, 14, 15, 16, 17, 18, 24, 25, 27, 29, 30, 31, 3... |
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claw91 |
General Coding Help |
3 |
2,601 |
Sep-18-2020, 02:58 PM |
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Thread: Removing rows from array
Post: RE: Removing rows from array
| Thank you.
Can you please explain why my second argument
FILE[0:985,...]is not the same as yours range(985)? |
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claw91 |
General Coding Help |
3 |
2,210 |
Sep-18-2020, 01:50 PM |
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Thread: Removing rows from array
Post: Removing rows from array
| Hello, I want to replicate this Matlab code into Python
FILE(1:985,:) = [ ];
FILE is an nx2 array. n si quite large but it's not important. If I understand correctly, the code should remove from th... |
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claw91 |
General Coding Help |
3 |
2,210 |
Sep-17-2020, 02:58 PM |
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Thread: scipy.signal.find_peak VS Matlab's findpeaks function
Post: RE: scipy.signal.find_peak VS Matlab's findpeaks f...
| (Sep-15-2020, 11:36 AM)buran Wrote: Comparing the output - Matlab identify some peaks that python did not and vice verse
Yes, that's pretty apparent.
The question is why this happens and how can I ... |
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claw91 |
Data Science |
2 |
5,487 |
Sep-15-2020, 12:27 PM |
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Thread: scipy.signal.find_peak VS Matlab's findpeaks function
Post: scipy.signal.find_peak VS Matlab's findpeaks funct...
| I'm interested in finding positive and negative peaks in a data sample with Python.
To give you a better idea, I'm considering Matlab's findpeaks function (https://it.mathworks.com/help/signal/ref/fi... |
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claw91 |
Data Science |
2 |
5,487 |
Sep-15-2020, 10:47 AM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| (Sep-11-2020, 10:21 AM)buran Wrote: you can post the code here, or if too long - make a repo (e.g. on github)
Is it ok if I make a new thread using some pastebin (which does not expire) just for the... |
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claw91 |
Data Science |
10 |
7,242 |
Sep-15-2020, 09:53 AM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| how to edit the original post?
The code paste link is not working anymore |
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claw91 |
Data Science |
10 |
7,242 |
Sep-11-2020, 10:19 AM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| Do you guys know if there's any difference betweeb Matlab's findpeaks and Scipy signal findpeaks?
Docs for Python here https://docs.scipy.org/doc/scipy/referen...peaks.html shows a lot of parameters... |
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claw91 |
Data Science |
10 |
7,242 |
Sep-10-2020, 07:41 AM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| If you need additional info I can provide... there's almost 200 views but no actual contribution here :( |
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claw91 |
Data Science |
10 |
7,242 |
Sep-03-2020, 12:13 PM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| So uh, guys? Anybody willing to help? |
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claw91 |
Data Science |
10 |
7,242 |
Aug-31-2020, 10:35 AM |
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Thread: scipy.signal findpeaks
Post: RE: scipy.signal findpeaks
| (Aug-28-2020, 09:59 AM)deanhystad Wrote: Documentation says the function may return unexpected results for data containing NaNs. Does your fh data contain NaNs?
it doesn't |
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claw91 |
Data Science |
10 |
7,242 |
Aug-28-2020, 10:06 AM |
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Thread: scipy.signal findpeaks
Post: scipy.signal findpeaks
| Hello there. I'm new to Python and my goal is to replicate Matlab's findpeaks prebuilt function.
The goal is to find positive and negative peaks. In Matlab you just give as parameters the data and th... |
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claw91 |
Data Science |
10 |
7,242 |
Aug-28-2020, 09:28 AM |
