Les Beckham

Last seen: Today | Active since 2013

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Many years developing flight control algorithms and software

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

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Answered
Kalman Filter Velocity data looking too similar to position data
It appears that you aren't differentiating the position to get the velocity, you are just multiplying it by dt. Thus the two pl...

4 dagen ago | 0

Answered
anyone know how to open .dmi file
There are two issues. One is that your fread command is converting the int8 data to doubles when reading. The other is that th...

4 dagen ago | 0

Answered
How can I insert a variable into a plot legend, with a special character following the variable?
plot(magic(4)) M = 10.5; %<<< made up value for variable M legend('', '', '', sprintf('Gradient: %.1f\\circ/mm', M))

5 dagen ago | 0

Solved

Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

21 dagen ago

Solved

Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

22 dagen ago

Solved

Convert radians to degrees
Given input in radians, output to degrees

22 dagen ago

Answered
Need to get matlab to display the continuous time transfer function
Please explain exactly what the problem is. You need the Control System toolbox, not the "command tool box", whatever that is. ...

30 dagen ago | 0

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How can I write data to a text file in a user-specified location that is already populated with a standard header?
Probably the easiest way to do this is to create a text file containing your header text and then call system() to concatenate t...

ongeveer een maand ago | 0

Answered
how to resolve fprintf error when dealing with whole numbers?
a = [16.0541, 17]; for i = 1:2 fprintf('\n%s','"values":{'); fprintf('\n%s','"min":'); fprintf('%f',a(i)); % <<...

ongeveer een maand ago | 1

Answered
Unable to create a exponential graph
I guess I don't really see what the problem is. Follow your own comments and adjust a and b to match the expected curve. Can y...

ongeveer een maand ago | 0

Answered
Why is it when I am adding a number to array, the single number overrides array
lownutant is so small (~10^207) that can't be represented in floating point after adding 1 to it. Floating point resolution for...

ongeveer een maand ago | 3

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Answered
How to datasample exponential data without losing the exponential decay?
I guess I don't understand what problem you are seeing. resample seems to work just fine here (see below). I assumed that your...

ongeveer 2 maanden ago | 2

Answered
Add a title to a group of 4 subplots centred at the top
I would suggest using tiledlayout instead of subplot. Then you attach the title to the tiledlayout rather than any of the indiv...

ongeveer 2 maanden ago | 0

Answered
Help Needed: Fixing Indexing Error in MATLAB Random Name Generator Code
You need to use curly braces instead of parentheses to extract the contents of the cell array of char vectors for the names. % ...

ongeveer 2 maanden ago | 0

Answered
How to create Simulink model with multiple versions?
I would suggest reading about Variant Subsystems. They are intended for doing exactly that.

3 maanden ago | 0

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Answered
Function is throwing error when calling it in different script
You have a non-comment line before the function definition starts. Thus, Matlab thinks that this is a script. Make the first l...

3 maanden ago | 0

Answered
The farthest yticklabels do not appear when using ax.YAxisLocation = 'origin'
I'm not sure this is much more satisfactory than your approach, but it appears to at least work and would adapt to different y a...

4 maanden ago | 1

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Answered
I would like to quantize a Sinewave correctly, and identify where the issues is with my code
You were so close! But bitshift shifts left by the specified number of bits. Use a minus sign to shift right. % Sampling Freq...

4 maanden ago | 1

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Answered
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...

4 maanden ago | 0

Answered
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...

4 maanden ago | 1

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Answered
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...

5 maanden ago | 0

Answered
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...

5 maanden ago | 0

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Answered
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 ...

5 maanden ago | 0

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Answered
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...

5 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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...

7 maanden ago | 1

Answered
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...

7 maanden ago | 0

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Answered
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...

7 maanden ago | 1

Answered
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(...

7 maanden ago | 1

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Answered
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)

8 maanden ago | 0

Les Beckham

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