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Les Beckham


Last seen: Today Actif depuis 2013

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Many years developing flight control algorithms and software

Programming Languages:
C++, C, C#, MATLAB, Assembly

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Réponse apportée
how to disactivate automatic expression completion
The preferences that control this can be found pretty much where I would expect to find them: Preferences>Editor/Debugger>Autom...

2 jours il y a | 0

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Rename TIF files in a folder
system('touch Camera_6_100fps_20240403_0956560001.tif'); % create files for testing system('touch Camera_6_100fps_20240403_0956...

8 jours il y a | 1

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Réponse apportée
How to change color of berfit curve
You can capture the fit data from berfit and use the normal plot command to plot the data with full control over the symbols, li...

20 jours il y a | 0

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stateflow "if else if else" structure not working properly
I don't have access to Stateflow so I can't test this, but I know that the compound comparisons that you have shown are not allo...

21 jours il y a | 0

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Euler's Method using a for loop
I'm not sure I believe that the equation given in your attached image is correct. However, the changes below allow the code to ...

22 jours il y a | 0

| A accepté

Réponse apportée
If Else problem Valid_date code.
There are several errors. For one thing, you can't combine multiple comparisons into one such as 13>month>0, this must be two c...

environ un mois il y a | 0

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plot with 3 different lines and a set of points
The y axis is logarithmic. It's just not very obvious due to the limited range of your y data. Note the difference in the spac...

environ 2 mois il y a | 0

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How do I get old "property inspector" popup window in figure?
Try clicking the button at the far left below the window title bar (it shows "Group View" when you hover over it). It looks like...

3 mois il y a | 1

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Detect monotonic decrease and record the corresponding rate
Your "for example" text doesn't seem to match with finding how long it takes to decrease from 25 to 15. So for example, I would...

3 mois il y a | 0

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Réponse apportée
cant call function from a file
It would have been better if you had posted your code as code (text) rather than a picture, then we could have modified it and r...

3 mois il y a | 1

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How to I parse an array of time stamp strings read into a table form a CSV file?
Don't operate on the timestamps as strings, use the datetime and duration types and the associated functions. times = linspace(...

3 mois il y a | 1

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Réponse apportée
List of increasing integers
Are you sure that is what you want? It doesn't seem very useful. dim = [2 2 4 2 2 2 2 2 2 2 2 2] int = 1:sum(dim) int(end)

4 mois il y a | 0

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How can I isolate a set of data points on a graph using conditionals?
The data doesn't need to be "linear" to use indexing to select the data that you want. For example: x = 1:10; y = rand(1, 10)...

4 mois il y a | 0

Réponse apportée
how to automate this manual code containing if else conditons?
Here is one approach. I eliminated the extraneous parameter ini for this example. I'm not sure I understand the role of the Ti...

4 mois il y a | 1

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How to modify the slopes of the sawtooth wave?
It doesn't really make sense to me to talk about angles when referring to a time history of a signal. If you were to plot the s...

4 mois il y a | 1

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Interphase - How to bring back default view?
If you are talking about the editor being split into multiple subwindows as shown below, go to the View tab in the tool strip an...

4 mois il y a | 0

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Réponse apportée
Convert Julian Date + Time in GMT to calendar day + Time in EST
It's not pretty, but it works. yr = '2024'; %<<< renamed to avoid shadowing the year function JDDD = 'J025'; % Julian date GM...

4 mois il y a | 1

Réponse apportée
how can i compute Aij?
It appears to work. I ran it for only 2 values of k as it was timing out here in Answers when running with 20 values of k. Wha...

4 mois il y a | 0

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Réponse apportée
Extract single-digit and double-digit numbers at the same time from a cell array with "regexp"
a={'1','3','6-10','11-20'}; b=regexp(a,'[0-9]+','match'); %<<< add the + to match multiple numeric characters b{:}

4 mois il y a | 1

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How to match mean and standard deviation of 2 datasets for data that cannot be less than 0
Your model data doesn't look at all like the observed data, so I'm not surprised that trying to force their statistics to match ...

4 mois il y a | 0

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confirm valid file identifier before flcose?
If you call fopen on the file identifier when the file is closed it will return empty (instead of returning the filename). So, ...

4 mois il y a | 0

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Why is the error in the attached code?
After adding end to all of the functions so that this would even run, you get an dimension error (see below). You are trying as...

4 mois il y a | 0

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Need for help for performance improvement or refactoring methods on this code
Wow! That code gets weird really fast. First, you haven't posted code that will actually run. You've shown three functions ...

6 mois il y a | 0

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How can I break a long column vector (281820X1) into 140 short column vectors (2013X1)?
Use reshape data = (1:281820)'; cols = 140; rows = numel(data) / cols; data_reshaped = reshape(data, [rows cols]); whos ...

6 mois il y a | 0

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Réponse apportée
How to include a negative number in initial conditions for Eulers method code?
It is always better to post example code as text rather than a screenshot. Nevertheless... Since the first element of x is -1 ...

6 mois il y a | 0

Réponse apportée
Plotting .mat file
That mat file doesn't contain anything interesting to plot. load metro.mat whos AudioInfo

6 mois il y a | 0

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Load .txt file into matrix form
That looks like a good candidate for readmatrix. mtx = readmatrix('X_deg_10.txt'); size(mtx)

6 mois il y a | 0

| A accepté

Réponse apportée
what's the index exceed error?
On the second pass through the for k = 1:20 loop, you are trying to access the second row of sig, but it only has one row.

6 mois il y a | 0

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How can I import this data with a for loop?
You were very close. x = [3 5 7 9 11 12 14 15 16 17]; for i = 1:numel(x) fn = sprintf('PendulumTestData/TD%d/IK/HR_1.mot'...

6 mois il y a | 1

Réponse apportée
Adding zeros to a column vector to match a larger column vector
new_x= [x; zeros(length(y)-length(x), 1)]; % ^ ^ switch the arguments to zeros % use ...

6 mois il y a | 0

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