Cris LaPierre

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MathWorks

1 094 total contributions since 2018

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Answered
Is it possible to control the appearance of the title bar and the title bar icon of figure windows in MATLAB?
Starting with R2020b, you can now specify custom icons for UI figure windows and toolbar push and toggle tools. See the release ...

environ 16 heures ago | 0

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How can I change the icon of my AppDesigner-produced GUIs?
Starting with R2020b, you can now specify custom icons for UI figure windows and toolbar push and toggle tools. See the release ...

environ 16 heures ago | 0

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How do I find a specific point in my plot?
Of course, the point you are probably looking for is the p wave. There are posts about that, too.

environ 16 heures ago | 0

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MATLAB Curve fitting with custom equation
If you have the curve fitting toolbox, I suggest using fittype and fit. fittype will allow you to define a custom equation to ...

environ 17 heures ago | 0

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2D graph based on X and Y coordinates
Sounds like a tiled histogram might be what you are looking for. If position is lat/lon, maybe a geodensityplot?

environ 17 heures ago | 0

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I want to randomly plot battleships on my board, but no outputs are present?
You are taking two approaches simultaneously in your code. You create a plot where I suspsect you want to visualize the ships, b...

1 jour ago | 0

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Is there a way in matlab where I can delete the first row of 50 excel files in a folder?
You would take the code for a single file, and put it inside a for loop that iterates through every file in the folder. You can ...

1 jour ago | 0

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How to put all input into one dialog box?
Take a look at the examples on the inputdlg documentation page.

1 jour ago | 0

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when i do my code for v>0 on my while loop it's a neverending loop and i dont know why if i do it for i<30 for 30 iterations i get a height of 50784 but should be right around 205.7 any ideas how to stop it from entering an ifinite loop on v>0 and a
It's infinite because your condintion, v>0, would always be true. Programming-wise, your code does not create an error. That me...

2 jours ago | 0

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Issues with while loop
You have no exit criteria for your while loop, which means you are creating an infinite loop. Do you even need a while loop? I...

2 jours ago | 0

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Index exceeds the number of array elements (1).
I suggest looking at one of these posts.

2 jours ago | 0

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Infinite loop in False postion method
I don't understand what your approach is, but by converting your while loop to a for loop, I can see that your error stops decre...

2 jours ago | 0

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Function Subtracts Two Nonnegative Integers
For your if conditional, use two = for comparison. if x_minus_y(1) == 0

3 jours ago | 0

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do you have a rate for retirees?
Agree with Star Strider, though that link specifically says they do not follow up on Student or Home license requests, which is ...

3 jours ago | 0

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legend doesn't list all of the plotted lines using plotyy
I think the issue here is that plotyy is not designed to work with hold on. It creates 2 axes superimposed on itself. When calle...

3 jours ago | 0

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Hello, I was wondering why my last figure in this code keeps giving me a 3D graph instead of a 2D
Because your view command is changing the camera angle, resulting in a 3D view. view(85,25)

3 jours ago | 0

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Need help cross referencing my code
It looks like you need help getting started with MATLAB. I suggest completing MATLAB Onramp.

3 jours ago | 0

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App panel keeps shifting content
I would recommend submitting a technical support request.

3 jours ago | 1

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Index exceeds the number of array elements (1) When developing reinforcement learning environment
The error suggests that ct>1, but either/both obj and Data have a length of 1. This is what the (1) at the end of the 'Index exc...

3 jours ago | 0

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Time weighted average after every 60mins
Look into groupsummary. You'll probably want something like this. I'm assuming your data is in a table. groupsummary(tblName,Da...

3 jours ago | 0

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Division int32 numbers in MATLAB R2019b
int32 is for storing 32-bit integers. The result of the division is rounded to the closest integer value. int32(32.5) If you w...

3 jours ago | 0

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Splitting up Numerical Text Data
t = ' 89 93 96 99100100100 98 96 94 90'; T = textscan(t,'%3s','Whitespace',''); T = str2double(T{:})

3 jours ago | 1

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why i can't not get my '' License Number or Activation Key ''
If you need a license or activation key, you will need to contact the department at your University that manages software. Typi...

3 jours ago | 0

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How to form a structure array variable?
See Steven Lord's reply here. Basically, something like this: Test{1}.a = [1; 2; 3]; Test{1}.b = [7; 3; 22]; Test{1}.c = [4; ...

3 jours ago | 0

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Answered
Am I seeing a bug In LiveScript Output?
When I run your code in my computer, the resulting figure looks the same in a live script and the command window. I can also run...

4 jours ago | 1

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How to extract columns number 1 and 3 from a matrix with 3 columns, to form a new matrix with 2 columns, without selecting columns number 2
Chapter 5 of MATLAB Onramp.

4 jours ago | 0

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fplot is not working
You are close. The error in line 3 is because f(x) is not the function name. Check in your workspace and you'll see that f is. ...

4 jours ago | 0

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drawing complex equation in 2D
You've already done all the hard work. Just define w first, and then use elementwise multiplication and division. You can use ab...

4 jours ago | 0

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Manually adjust labels on axis of plot (histogram)
You could change the X labels using the xticklabels function. I'll include a simple example of one way you could achieve this. ...

4 jours ago | 0

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Error While running a while loop (index exceeds number of array elements)
You create variable Vdiode so that it contains a single value, 1. Then in your while condition, you try to compare the second va...

4 jours ago | 0