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Cris LaPierre

MathWorks

Last seen: Today 2018 以来アクティブ

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How can I change scaling of my graph depending on the output value?
The issue is that, by setting your XTicks manually, you have changed the XTickMode to manual instead of Auto. Therefore, your ti...

約17時間 前 | 0

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Y data addition on scatter plot
Use square brackets to define vectors, not curly braces. You might find MATLAB Onramp helpful, especially chapters 2, 4 & 9. Als...

約19時間 前 | 1

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Missing value for predict in Classification Learner App
I was able to train using trainingData and test using testingData in R2021a without getting any errors. Can you provide more ...

約20時間 前 | 0

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Hi, Please help me convert these mathematical calculations into matlab code
If you spend about an hour of time in MATLAB Onramp (first 8 chapters), you could perform these calculations yourself.

約20時間 前 | 0

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Binning 2 columns and summing 3rd
I would put your data into a table, then use groupsummary to bin and sum the data as you describe. You will find the Access Data...

約21時間 前 | 0

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How to filter out the noise to see the general trend
I might suggest using the Smooth noise data Live Task. This will allow you to interactively filter your data. Once you have a re...

約21時間 前 | 0

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Adapt size of vector with interp1
I don't think using random number matrices creates a meaningful example here. Consider this example from the interp1 documentati...

約21時間 前 | 0

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importGeometry pde not closed volume H I Beam Partial Differential Equation Toolbox
A quick check with an STL checker (Materialize MiniMagics) found 16 bad edges, which prevents the STL from being 3D printed (wha...

1日 前 | 0

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create a new column of data showing (n+1)-n of old column
This is what the diff function does. If X is a vector of length m, then Y = diff(X) returns a vector of length m-1. The element...

1日 前 | 0

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How to sum elements of matrix in certain condition?
A = [1.0999 -1.0999 -2.0590 0 -1.0999 0 0; 0 0 0.1168 -0.1168 0 -1.099...

2日 前 | 0

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xlswrite inserting characters to excel formula help
I think the issue is that QFS is not a recognized Excel formula, so Excel is assuming you are using a named table reference (I t...

2日 前 | 0

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Expert Guide Required for plotting this array
You plotting code is fine. The issue is the syntax error in the line before your plot command. I'm not sure what the '= [p]' is ...

2日 前 | 1

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Scatter3 plot to solid model
Try this answer. k=boundary([V(:,1),V(:,2),V(:,3)]); trisurf(k,V(:,1),V(:,2),V(:,3),'EdgeColor','none')

3日 前 | 0

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Plots with [N x M] Matrix
You may want a histogram. histogram(X,edges) % nxm matrix grades = randi(100,5,3); histogram(grades,[0:10:100]) xlabel("Gra...

3日 前 | 0

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How do I open a .raw file so that it can be viewed as a table?
Consider starting with this: T = readtable("OS-1-69-B1-HT.is_comp.raw",'Delimiter',{'"',','},... 'FileType','text','numHea...

3日 前 | 0

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How to plot the results below ?
I would suggest converting the extracted timestamps to durations. Then you can just plot it. The x value will be the index numbe...

4日 前 | 0

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Plot some given waveforms using Matlab
Perhaps look into how they developed the simulation model in this paper. They cite this model as the inspiration for their appro...

4日 前 | 0

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Matlab online: Large .mat loaded 12/28/2021; won't load now
Contact support.

4日 前 | 0

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Find local min point in plot
I suggest trying out the 'Find local extrema' live task. This will allow you to interactively set criterial for finding maxima a...

5日 前 | 0

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How to find points inside Singapore?
You are correct, landareas does not contain a shape with the name 'Singapore'. landareas = shaperead('landareas.shp','UseGeoCoo...

5日 前 | 0

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How do I plot a 3D cube in a 3D array?
See this page.

5日 前 | 0

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search character in table
You are not using isfield correctly. This function is for searching structure array fieldnames, not character vectors. Conside...

5日 前 | 0

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Error Plot App Designer
First off, check out the Access Data in Tables page. There is no need to do this: YData = table2array(T(:,"C")); You can simpl...

6日 前 | 1

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"Data variables must be numeric or logical" despite variable being logical when using grpstats
The issue is not your grouping variable, it is your tblData. Specifically, trialType, which is a cell, and not numeric or logica...

6日 前 | 0

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How to make the output of a command into the variable for data
See the Generate Field Names from Variables doc page. You might also be interested in the RenameField function, available on th...

6日 前 | 0

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convert an empty cell to a string
I guess it depends on what you want the empty string value to be. The code is straightforward enough. A={[NaN]} B = string(A) ...

6日 前 | 0

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iam trying to make a function for graph
https://www.mathworks.com/learn/tutorials/matlab-onramp.html

6日 前 | 0

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Hello Everyone, I am new in MATLAB and I want to get result of this code(MATLAB2021a), its run correctly but doesn't show the result. Anyone can help me?? thanks in advance
Here is perhaps some starter code for you on how to create a MATLAB table. rowNms = ["WIFI";"WIMAX";"UMTS";"LTE"]; varNms = ["...

6日 前 | 0

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Can someone help me writing this equation in matlab, I appreciate,..
Writing the equation is rather straightforward. You just need to decide what variable names you want to use. Here's one way. z ...

6日 前 | 0

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Trying to index an array and extract its values with a for loop.
See MATLAB Onramp Ch 5: Indexing and Modifying Arrays. You might also find Ch 12: Programming helpful since it covers for loops...

7日 前 | 0

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