Respondida
Los siguientes datos: 12, 6, 7, 10, 11, 12, 6, 11, 14 y 11 corresponden a una población. Calcular la varianza y la desviación estándar.
https://www.mathworks.com/help/matlab/ref/var.html https://www.mathworks.com/help/matlab/ref/std.html?s_tid=doc_ta

más de 2 años hace | 0

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textAnalytics toolbox: removing Entity details from documents
I would use removeWords. documents = tokenizedDocument(Text(:)); tdetails = tokenDetails(documents) ; documents2 = removeWord...

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Geoglobe is not showing
MathWorks is aware of a server issue and is working to resolve it.

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How do I plot data varying with both axes in App Designer?
Looks like a contour plot to me.

casi 3 años hace | 1

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how to obtain the data from the middle of the binary file using fread in MATLAB?
The input to fread is the size of the output (i.e. the number of bytes to read), not a range of bytes. Try this. fileID = fopen...

casi 3 años hace | 0

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What is the different if the value of the image is 0 and 1, and if the value of the image is 0 and 255?
The range of values, and more particularly, what value corresponds to white, is determined by the data type of your image. What ...

casi 3 años hace | 0

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Is "geoglobe" currently bugged?
The best way to find out is to contact support. Since it works on some machines but not others, they will likely need to get mor...

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Matlab dates and time not aligning after combining
One issue is that your RecHour variable is not minutes. It is time of day in military time format (no colon. Should be 4 numbers...

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Too many input error when generating random number using exponential distribution
You have a function that is shadowing the builtin exprnd.m file. Rename your file (the one at D:\dynarc\5.4\matlab\missing\stats...

casi 3 años hace | 2

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Smooth noisy data.
You seem to know how to smooth your data in MATLAB, but are struggling with what the appropriate settings are. I'd suggest explo...

casi 3 años hace | 1

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Summary for a matlab code
Here's a summary created by ChatGPT. I have not checked it for correctness. The provided MATLAB code implements the Naïve Gauss...

casi 3 años hace | 0

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How do you add values to an array, but keep the previous values
Is there more to your code? Keep in mind variable scope. Because you are inside a function, there are no previous values of LN. ...

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Como abrir el comando de neural netwok toolbox
Neural Network Toolbox ha cambiado de nombre. Ahora se llama Deep Learning Toolbox. Ya no hay un comando nnd2n1 en el Deep Lear...

casi 3 años hace | 0

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Cropping an irregular image in matlab
I think what you are describing is called a mask. If your analysis uses color-based criteria, then I suggest using the Color Thr...

casi 3 años hace | 0

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readtable error : read all columns into a single column
It looks like MATLAB is not correctly identifying the delimitar, which is a tab. You can manually specify that. Some fo the dat...

casi 3 años hace | 1

Respondida
How to ignore comment character from header/variable names line
When an import function has an input that allows you to specify CommentStyle, that is so that it knows to ignore everything afte...

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Increasing Automation with FunctionsFunction Files(3/4) Comparing Using a Tolerance [Solution not working]
You have 3 files open: the solution, and two live scripts for entering your answer. I suspect that is causing the problem. Copy ...

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how to obtain a fit with nonlinear regression data?
The equation needs to be entered as a char array or string. You also need to have Name-Value pairs for the optional inputs. See ...

casi 3 años hace | 1

Respondida
Why do I get“Error using plot Vectors must be the same length."
Make sure t and Im have the same number of elements. Ts = 0.001; To = 0.5; t = 0:Ts:To-Ts; N = length(t); d = [0 1 0 1;0 ...

casi 3 años hace | 0

Respondida
Matlab R2023b App designer bug? Code view only shows half of the codes and I can't edit the hidden ones
I suggest contacting support: https://www.mathworks.com/support/contact_us.html

casi 3 años hace | 1

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Error while reading table
I noticed that the variable names in the imported table are not matching the names I see in the file. Upon further investigation...

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Is there a way to check answers using rand in MATLAB Grader?
Random numbers can be treated the same as other variables. Reference and Learner solutions share the same seed, meaning they wil...

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i have made an excel sheet which has values in 1st column and 'yes'/'no' in the 2nd. i want to extract values which show 'no' and display it. how can i do that?
I'd do this data2=readtable("convergencecheck5.xlsx","TextType","string") data2.Values(data2.Converge=="no") You haven't shar...

casi 3 años hace | 1

Respondida
Streamline plot does not make sense
I think the issue becomes more clear if you create your quiver plot using the following syntax: quiver(X,Y,U,V) phase_long=[9 2...

casi 3 años hace | 0

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Grouping 2D contour plots into a 3D Figure
I would stack you 5x5 matrices together to create a volume V. I would then use meshgrid to create X, Y and Z arrays the same si...

casi 3 años hace | 2

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Variable check1 must be of size [1 1]. It is currently of size [1 4]. Check where the variable is assigned a value.
check1 is likely a variable the instructor created for grading purposes. Based on the test description (Is graph colored and sty...

casi 3 años hace | 0

Respondida
changing categorical binary values to integer 1 and 0 - beginner
First, use mergecats to combine categories that will share the same category name. You can then use renamecats to rename your ca...

casi 3 años hace | 0

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How to sum up specific columns based on the values in a different column
If your only group is Month, then I'd just sum the columns first, and then use groupsummary to sum data from the same month. ye...

casi 3 años hace | 0

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how to plot a map
You could use shapefiles (see this answer: https://www.mathworks.com/matlabcentral/answers/361871-plot-india-map-at-the-backgrou...

casi 3 años hace | 0

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Boxchart function gives empty group
This is because your data is categorical. For this datatype, the categories are independent (in some respect) of the values. box...

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