Cris LaPierre

MathWorks

Last seen: ein Tag vor | Aktiv seit 2018

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Matlab Fundamentals course:Creating and Calling Functions(4/5) Modify a Function: Not enough input arguments. Error in zerofunction>findcrossing (line 23) y = y - z;
As far as I can tell, you have not followed the instructions. The error suggests you have done part 2 correctly, but the image s...

etwa 18 Stunden vor | 0

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problem with the power system simulation onramp course
I was able to duplicate the issue. This is happening because the default value for one of the Wye-Connected Load block parameter...

ein Tag vor | 0

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Problem with Power Systems onramp course
You Synchronous Machine Salient Pole block does not look correct. You have 3 outputs on the right. You should only have 2. Speci...

ein Tag vor | 0

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Fit countours to shape
I made an attempt using the Image Segmenter app. I first thresholded the image, then eroded the mask to get a roughly square sha...

ein Tag vor | 0

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Use CompEcon toolbox in Matlab online
In it's simplest form, a toolbox is just a grouping of functions added to the MATLAB path. I am not familiar with this toolbox s...

2 Tage vor | 1

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unable to save a figure in for loop
I think the issue is with how you are building figname. i =0; minlat=40.4+i*(1/60); maxlat=40.4+(i+1)*(1/60); latcent=(minl...

3 Tage vor | 2

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anyone can help me to open this file . sin
This code will reproduce the results obtained in imageJ using the settings provided in the GATE documentation with one change - ...

4 Tage vor | 0

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Plotting a Semi-Log Plot as a Function of Time
I'd do something like this. Let me know if you have any questions t = logspace(-2,2); % one way to implement a piecewise funct...

6 Tage vor | 0

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How run the code including wiener process function
You use a function - w(t) - that you do not define in your code. At least that is the error I get in this line: u_deterministic...

7 Tage vor | 1

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Convert Classification Network into Regression Network
In R2024a, machine learning models were transitioned to dlnetwork. Rather than assign the output, they now output the prediction...

9 Tage vor | 1

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A-version versus B-version of MATLAB
From my perspective, I don't think there is any merit to this notion.New features are added in every releaes, and the internal p...

10 Tage vor | 2

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Set tick label of the color bar with dates in the format yyyy-MM-dd HH:mm:ss.
I'm not sure how you created the dates variable used to set the tick labels. It can be difficult to convert decimal years back i...

10 Tage vor | 0

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Global variables are inefficient and. make errors difficult to diagnose
Why not pass the variables as inputs and outputs to your functions? I did this by putting all the code into one script, then use...

12 Tage vor | 1

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Help with MATLAB ODE45 to solve Heat Transfer Model
The odefxn is returning a row vector instead of a column vector. However, looking at your code, it should be returning a scalar....

12 Tage vor | 0

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How to fix error in reading shape file vertices?
In the file you have shared, your shapefile has a single shape in it, and that shape does not contain an X property. unzip('PLA...

12 Tage vor | 0

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Importing CAD file into matlab (STEP file)- Aircraft structure
I was able to load your step file into OnShape. Your file has 3 independent geometries in it. That is why you are getting this e...

13 Tage vor | 0

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Problem Sets from Matlab Grader in Brightspace
The LTI integration of MATLAB grader currently functions at the problem level. That means each MATLAB Grader component in your L...

16 Tage vor | 1

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Hello, I'm trying to create a plot for an equation of motion defined as a function.
It sounds like you have your function inside a larger script. In your version of MATLAB, the function must be moved to the botto...

17 Tage vor | 1

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Help with getting some times from a data set
I found it easiest to work with is the real csv file. T = readtable('mytime.csv','TextType','string'); % extract the values th...

17 Tage vor | 0

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Is there a way to plot two or several matrixes in one Diagramm using the same collor for respectively two Graphes?
The default colororder has 7 colors in it, and each series uses the next color in the colormap. Once the 7th line is used, the c...

18 Tage vor | 1

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Can MATLAB plot a graph like this? (Ignore the black lines and light blue areas; I only care about the red and blue points.)
This is a bubble chart. You can create this in MATLAB using bubblechart The legend isn't exactly the same, but conveys the rel...

18 Tage vor | 0

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while in ode45
One of your inputs to ode45 is tspan. If I were going to do this, I would look at building is so that my loop calls ode45 with t...

21 Tage vor | 0

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How to do 'if cell array contains any of these numbers, copy the content from other array of the same row'?
Here's one way using any and ismember via cellfun sport = {[1 2]; [5 6 8 9]; [3 6 7 8]; [1 3 9]}; link = ["li...

25 Tage vor | 0

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can anyone explain the code my calculus teacher explained this code in my class but I didn't understand it. The code is related to Mean value theorem.
You can put the code into the prompt in the MATLAB AI Chat Playground, then ask it to explain it to you. For example, I asked i...

25 Tage vor | 0

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Probem with course progress
You can check if your progress is tied to a different version of the course: See here: https://www.mathworks.com/matlabcentral/...

26 Tage vor | 1

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I have completed 40% of the MATLAB Fundamentals training but when i resume it shows 0% and restarts from the beginning
You can check if your progress is tied to a different version of the course: See here: https://www.mathworks.com/matlabcentral/...

26 Tage vor | 0

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Array indices must be positive integers or logical values.
I can reproduce the error if I set kk=1. In this case, Phin(kk-1) becomes Phin(0), which is causing the error. In MATLAB, the in...

26 Tage vor | 0

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Why am I getting the incorrect test result for this section of the deep learning onramp>Manage Collections of Image Data> Create and Classify a Datastore> Task 3?
I was able to duplicate the issue. I'll report this internally and follow back up if there is a recommended workaround/fix.

26 Tage vor | 0

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Why did the percentage of 25% disappear on a course on MATLAB Academy?
Check if your progress is tied to a previous version of the course. See here: https://www.mathworks.com/matlabcentral/answers/21...

28 Tage vor | 0

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How do I sign into my careers account if I have forgoten the security question?
Contact support: https://www.mathworks.com/company/aboutus/contact_us.html?s_tid=gf_contact

etwa ein Monat vor | 1

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