Answered
reorienting 3D image stack
Try adding 'squeeze' to you code. The image array you are passing to imshow is m x n x p. Even though m=1, because it is 3D, im...

7 months ago | 0

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Answered
Simulink on Ramp task 7
According to the error message, there is another model open in Simulink with the same name. Try closing all models open in Simul...

7 months ago | 1

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Answered
MATLAB online video creation trouble
The code completes successfully for me when I run it. It took 13-15 seconds. Given that it does run, I'd suggest the typical ac...

7 months ago | 0

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Answered
Curve Fitting Toolbox Error: This expression has no coefficients or non-scalar coefficients.
As has been pointed out, you have to give the app some coeffients to adjust to try to fit to. Also note that your proposed coeff...

7 months ago | 0

Answered
Cannot open variables from workspace in 2025a/b
Please report any product usage issues directly to MathWorks here.

7 months ago | 1

Answered
I need help verifying my license
It looks like you have installed MATLAB, but not installed the Statistics and Machine Learning Toolbox. From the Home tab, use ...

8 months ago | 0

Answered
Control design onramp: how to add LTI system block.LTI
Open the Library Browser, Expand Control System Toolbox, and drag/drop LTI Sytem to your model canvas. Alternatively, double cli...

8 months ago | 0

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Answered
ENTER pressed automatically when left-clicking and moving?
Please report this to MathWorks here: https://www.mathworks.com/support/contact_us.html

8 months ago | 0

Answered
Power Systems Simulation Onramp Bug, three phase systems, three phase domain, 2/3 blocks Task 4 Does the following block have the correct parameter settings?
The block parameter name changed in R2024b (see here). This was fixed in R2024b Update 3. Please check your version of MATLAB. ...

9 months ago | 1

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Answered
Please help me to run code
A quick glimpse at the error message suggests your BCFUN is not the expected length of 8 Error in calling BVP4C(ODEFUN,BCFUN,SO...

9 months ago | 0

Answered
Why cannot i learn simscape battery on ramp?
All onramps are free, but if taken in the desktop, you must have a license for the products used in the course. The error sugges...

9 months ago | 0

Answered
i write correct code but still showing incorrect code
I shared this internally. The issue is due to the browser caching old files (all courses just moved to R2025a). The recommended ...

10 months ago | 0

Answered
I want to edit mask in a task of simulink fundamental course, in which i want to display values of Kp and Ki in the PI controller block,I'm not able to spot where I'm mistaken
This is an image of the task. It might be more helpful to see what you have tried. To see the correct answer, click 'See Soluti...

10 months ago | 0

Answered
Some scripts work with assessment test variables, others don’t and plots seem suppressed in feedback , Matlab Grader
For the first question, I can't think of a situation that would cause this behavior. I would be very interested in seeing an exa...

10 months ago | 0

Answered
Why does my answer to a task show up as incorrect when I have entered the correct answer from the solution?
Also reported here. How long does the code run before this appears? An actual incorrect message would include the results of e...

10 months ago | 2

Answered
I am taking MATLAB On-ramp course - getting incorrect error though code is correct
Also reported here. How long does the code run before this appears? An actual incorrect message would include the results of e...

10 months ago | 0

Answered
Creating a grouped bar plot from a table having multiple column
Tindclean = readtable('Tindclean.xlsx') % Create a stacked barplot of table Tindclean barData = Tindclean{:, 2:end}; % Assum...

10 months ago | 0

Answered
Tasks not appearing in task box during Simulink Onramp Desktop
Please try restarting MATLAB. If that doesn't work, please contact support. https://www.mathworks.com/support/contact_us.html

10 months ago | 0

Answered
Apply cellpose to RGB images?
It looks like segementCells2D only supports intensity images. See the image input description here in the doc.

11 months ago | 2

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Answered
HOW CAN I CHANGE MY NAME ON CERTIFICATE AND IN THE ACCOUNT (NOT ABOUT NICKNAME)
Try this: https://www.mathworks.com/mwaccount/profiles/edit See this answer for a similar discussion: https://www.mathworks.com...

11 months ago | 0

Answered
Import markup into LiveScript
Your answer got me thinking about the new Live Code File format introduced in R2025a. This is a plain text file that displays as...

12 months ago | 0

Answered
Import markup into LiveScript
My experience is that the LaTeX interpreter in MATLAB isn't called unless the closing/ending flag is physically typed. And not a...

12 months ago | 0

Answered
Problem with color plotting 2d array in a multiple y plot of axes with a 1d array
The lines in a YYaxis plot are designed to have the same color as their cooresponding Y axis (blue for the left, orange for the ...

12 months ago | 1

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Answered
displaying arrays and cell arrays in a table
Your code appears to work for me. At least it displays the table. See below. Could you provide more details about where you are...

12 months ago | 0

Answered
Certificate unavailable after completing Simulink Onramp course in desktop app
See this answer: https://www.mathworks.com/matlabcentral/answers/458985-simulink-onramp-progress-lost-in-matlab-desktop Note th...

12 months ago | 0

Answered
how to build array using matlab.graphics.chart.primitive.Line' property
If I understand correctly, you want cc to just be the color of the selected lines. In that case, note that selected.Color does n...

12 months ago | 1

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Answered
Simscape is not available in my Trial
You can request a free trial of Simscape on the Simscape on the Simscape product page: https://www.mathworks.com/products/simsca...

12 months ago | 0

Answered
131072 Loading a binary file in which data is stored.
Not sure what settings you used to record the data, but I only see values of 0, 1 and 2. If you are using an analog-to-digital c...

12 months ago | 0

Solved

List the Moran numbers
The quotient of a Moran number and its digit sum is prime. For example, 117 and 481 are Moran numbers because 117/(1+1+7) is 13 ...

12 months ago

Answered
Cody - "server not available" when submitting solution on prime numbers question
Currently, I can generate the same error if I submit an infinite while loop. This does suggest the error might be related to lon...

12 months ago | 1

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