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Jon


Last seen: 2 jours ago |  Active since 2013

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Answered
Only the initial graph shows up
The problem is that you have an error in your line Error using legend Invalid argument. Type 'help legend' for more informatio...

environ 2 mois ago | 1

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Answered
How to simplify code with multiple variable names?
You can use arrays to hold your data. So one approach would be to use arrays: ma - n by 1 ea - k by n r - n by 1 ir n by 1 ...

environ 2 mois ago | 0

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Answered
Hello, I need help with: Replace elements in Vector A with those of vector B of the same position, only if they meet a certain condition, otherwise replace by a zero. Thanks
I like @Torsten's one liner and use of the multiplication times the logical zeros to null out the values where B is greater than...

environ 2 mois ago | 0

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Answered
My loop does not produce the results I want, due to coding errors
I have made numerous corrections in your code. I think this is now at least closer to what you want clc; clear; x0 = 0; y...

environ 2 mois ago | 0

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Answered
How to plot many figure with For function?
Uncomment the line in your code that assigns the figure number So for i=1:20 figure(i) plot(array(:,1),array(:,i)) end

2 mois ago | 0

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Answered
How to solve a system of two linear equations in matrix form under a loop /
I'll assume you know how to calculate A and B based upon your c and T values. Then to solve for X use X = M\(J*A + B) Note tha...

2 mois ago | 0

Answered
Bode diagram for a Butterworth filter
What specific problems or errors are you getting? Here is an example that maybe you can adapt to your situation fs = 1000; % sa...

2 mois ago | 0

Answered
function for cell array
Here's a simple example % Make an example cell array with a vector in each cell A = cell(2,3); % preallocate for i = 1:2 ...

2 mois ago | 0

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Answered
Write a function largest () such that it can accept multiple numbers and return the largest item from the given list.
There is already a MATLAB function that "can accept multiple numbers and return the largest one" x = [2,15,23.7,91.4,80.3] % ve...

2 mois ago | 0

Answered
How can I plot a curve while changing color every N points ?
I was coding up the example below, and by the time I posted I saw you already had an answer from @Cris LaPierre. I will still in...

2 mois ago | 0

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Answered
fprintf for ~million row string matrix
You could try writecell and see if that is more efficient.

2 mois ago | 0

Answered
Plotting multiple .txt files
You could do something like what is shown in this simplified example % Get a list of all of the text files list = dir('*.txt...

2 mois ago | 1

Answered
Loading .log data with different number of columns
Yes, I would also recommend readcell, so for example logdata = readcell('Example.log','NumHeaderLines',2) You could then mak...

2 mois ago | 0

Answered
How can I use the ( nchoosek ) for this case nchoosek(x,y) where x=[1:1:80] , and y=64;
Using b = nchoosek(80,64) You will see that there are approximately 2.6958 E16 ways of choosing 64 elements out of your vecto...

2 mois ago | 0

Answered
I have a 4 Dimensional Matrix and i want to get its transpose
You can use the MATLAB permute function for this and not use any loops https://www.mathworks.com/help/matlab/ref/permute.html

2 mois ago | 1

Answered
Modelling a variable (i.e. nonlinear) capacitor in Simulink: how to make it stable?
It looks like you may be using some circuit block set that I don't have available, however just going back to fundamentals you c...

2 mois ago | 0

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Answered
Matlab fails to launch appdesigner or open .mlapp files
Not really clear what is going on here, but it looks like you have a file called ComponentController.m whose error is preventing...

2 mois ago | 0

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Answered
Update App GUI with Simulink data in real-time
Please provide a little more context. From what you describe it sounds like your Simulink model has an interpreted MATLAB functi...

3 mois ago | 0

Answered
How can I find the magnitude of a vector B when I know the unit vector B, the vector A and the result cross product of AXB?
Lets say you have the final Torque, and arm as a three element vectors T, and A respectiviely. Then I think the magnitude of th...

3 mois ago | 0

Answered
How i can find the difference between 2 values.
y = T1 - T2

3 mois ago | 0

Answered
command strategy for converting the following multi table text file into matlab array
If you don't know how many rows there are in each data set or where the data rows begin and end then you could do this: % read ...

3 mois ago | 0

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Answered
How to take the average of 7 rows then other 7 until the data finished and save into new tab of excel
Read the data in using readmatrix. Once you have read the table into an m by 150 array, let's call it A, then just use movmean ...

3 mois ago | 1

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Answered
I am getting data values as 1 x 100. How to reduce it to 1x6 i.e, require values of y w.r.t x at 0.2 0.4, 0.6, 0.8
I don't have the symbolic toolbox, but in ordinary MATLAB you would use interp1 for this

3 mois ago | 1

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Answered
How to make a matrix with mixed string and number elements ?
Here's another approach, not so nicely vectorized as @Adam Danz, in which I store the values in a cell array I hadn't known abo...

3 mois ago | 0

Answered
matlab function to simulink error
I think it looks like you are not using the "MATLAB Function" block correctly. If you open that block, maybe you just have the ...

3 mois ago | 0

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Answered
Table to Array conversion using a for loop
I agree with @Stephen23 comments about not using dynamically named variables, here's another approach, in which you store all of...

3 mois ago | 0

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Answered
If else -statement doesn't work
Actually you can do this in just one line using MATLAB discretize taAct.actClass = discretize(taAct.Sum,[0,30,40,60,inf]) - 1 ...

3 mois ago | 1

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Answered
up or down counting based on input signal value
This is one approach, the counter will increment at each sample time of the delay block (z^-1). You can set that parameter in th...

3 mois ago | 0

Answered
How to reduce the computation time of for loop?
With the code you show, it appears that the values of S1, Sc_win, and S do not change as a function of any of the loop variables...

3 mois ago | 0

Answered
remove missing entries from cell array
I think you are close, just use new_cell_array= cellfun(@rmmissing,old_cell_array,'UniformOutput',false)

3 mois ago | 0

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