Jan Orwat
StethoMe
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Python, R, MATLAB
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How to fit a different scale to an existing plot
Check if <http://www.mathworks.com/help/matlab/creating_plots/plotting-with-two-y-axes.html this article from documentation> hel...
plus de 9 ans il y a | 0
I'm trying to count the number of times the gui is being run on clicking a pushbutton. How to make the count continue even after the application is closed and started again. (i.e) if the count is 8 before closing ,it should start from 9 the next time
You may specify delete function which will be called each time application/gui is closed. Using this you may save all the variab...
plus de 9 ans il y a | 0
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How to remove a pattern in a table column
assuming T - your table, and n - number of column containing these strings you can do as follows: T{:, n} = regexprep(T{:, ...
plus de 9 ans il y a | 2
| A accepté
How to do a fft from a sine signal with hanning function
You can try starting with something like this fs = 44100; % sampling frequency T = 1; % period, 1 second n = T*fs; ...
plus de 9 ans il y a | 0
Working and non Working hours
Yes, you can. For example: % assuming your data in variable called datecolumn daytime = timeofday(datecolumn); openi...
plus de 9 ans il y a | 1
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Algebra function with table and vector
If you want to work on tables in MATLAB functions <http://www.mathworks.com/help/matlab/ref/varfun.html varfun> and <http://www....
plus de 9 ans il y a | 1
Interpolation and getting errors
Note, you are trying to access |time(0)| when |t<30|. Matlab index arrays starting with 1. Probably changing |floor(t/30)| to |...
plus de 9 ans il y a | 0
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how can I join points along a two plots with straight lines?
add at the end something like that: hold on plot(reshape([x,x,x].',1,[]),reshape([ytop,ybot,ytop*NaN].',1,[]))
plus de 9 ans il y a | 0
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Please how can I unstack a column of negative and positive values into 2 columns of positive and negative values respectively?
You can compare your data with zero. This will classify your data and you can use it to get what you want. Example based on y...
plus de 9 ans il y a | 0
How do I set my axis values down to zero when changing my y-axis to log scale?
There is no zero on log scale. Add one line on the end of your code: ... set(gca,'yscale','log') ylim([0.4, 3]...
plus de 9 ans il y a | 0
FFT and IFFT Problem (numerically and analytically result is not same)
This is caused by side effects of digital domain # You are calculating circular convolution instead of normal one. To make co...
plus de 9 ans il y a | 0
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Creating HDF5 file: How to create a GROUP inside a GROUP?
Use <http://www.mathworks.com/help/matlab/low-level-functions.html Low-Level Functions> such as H5G.create to create custom/nest...
plus de 9 ans il y a | 0
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What are the disadvantages of using uppercase 'W' in fopen compared to lowercase 'w'
I guess some memory is used for buffering purposes. There should not be *any* differences in written data. 'W' or 'A' are faste...
plus de 9 ans il y a | 1
What is wrong with my code
Are _TH_max1:3_ scalars, vectors or arrays? _&&_ and _||_ may be used only with scalars. Try: if(all(TH_max1(:) >= 0.4) && ...
plus de 9 ans il y a | 0
how to find integral for this function
In MATLAB there is a difference between calling |*| and |.*| The same is for |^| |.^| etc. Change * |*| to |.*| * |/| to...
plus de 9 ans il y a | 0
Using ifft to get the Fourier Coefficient
N=256; X=2*N; L=2*pi; x=linspace(-pi,pi,X); c=0; k = 2*pi*((1:2*N)-N-1)/L; % vectorised y = sin(x); % don't understand w...
plus de 9 ans il y a | 0
Exporting table to excel
You don't have to join tables before exporting them. You can just create spreadsheet and then add other data in other sheets or ...
plus de 9 ans il y a | 3
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Dividing matrix in four parts
A = zeros(210,3); %example split = [40 60 30 80]; A_split = mat2cell(A,split); [B, C, D, E] = A_split{:}; doc mat2...
plus de 9 ans il y a | 0
Could someone please help me speed up my code?
# If you have to use loop, <http://nl.mathworks.com/help/matlab/matlab_prog/preallocating-arrays.html preallocate> variable _RMS...
plus de 9 ans il y a | 1
How to rank a vector with repeats without MATLAB unique?
Do you want to replicate following behaviour? [~, ~, rank] = unique(data); rank = rank.'; There are thousands of ways...
plus de 9 ans il y a | 0
I have problem of ode45. please help me T_T
1. It seems your function rocket.m represents system of equations dH₁ = H₂ dH₂ = aH₁² + 127530 Verify, if it's what y...
plus de 9 ans il y a | 0
Problem with categorical arrays
(Copied from comments as suggested.) You are trying to make categorical array from a variable of mixed data types. categ...
plus de 9 ans il y a | 1
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I have a n X 2 matrix, but I want remove the points with a distance smaller than a threshold. And the data is random, which means the data position may be very far in the matrix but their distance is very close. Can anyone help me?
dataOut = uniquetol(dataIn, tolerance, 'ByRows', true); Above code should be a good starting point. In this case it would b...
plus de 9 ans il y a | 0
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Is there a way for breaking a loop iteration, if it takes to long?
One of the simplest ways for time control is to use tic and toc time0 = tic; timeLimit = 60*60*1; % 1 hour == 3600 secon...
plus de 9 ans il y a | 1
Why are title and x/y lable not listed in Children property of axes?
The answer is that those aren't axes children. Here is documentation page that mention it: <https://nl.mathworks.com/help/matla...
plus de 9 ans il y a | 0
Rotate Meshgrid 45 Degrees
theta = 45; x2 = x*cosd(theta) - y*sind(theta); y2 = x*sind(theta) + y*cosd(theta);
presque 10 ans il y a | 0
Question
Circshift bug for sparse logical.
Hello, does anybody know if it has been reported? Circshift seems to shift sparse logicals properly, but changes trues to fal...
environ 10 ans il y a | 1 réponse | 3
1
réponseHow do i get index of a closest value from an array?
Try something like this: divisor = 900; how_close_is = abs(mod(a+divisor/2,divisor)-divisor/2); index_chunk=find(how_...
plus de 10 ans il y a | 0
repalacement of string with phone numbers
You can try <http://www.mathworks.com/help/matlab/matlab_prog/regular-expressions.html?s_tid=srchtitle regular expressions>: ...
plus de 10 ans il y a | 0
Concatenate Columns of Cells
Hello, I can see that date is of type string in your cell array and non-date fields are zeros (non-string). Assuming that in ev...
plus de 10 ans il y a | 0
