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Why is my function outputting a blank graph:
Replace plot(a,b) by plot(a,b,'d') and look up plot in the documentation

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how to ask a for input, and keep asking the same question until the right input is inputted?
One way. n avoids running forever. %% n = 0; while n <= 12 n = n + 1; x = input('Please, input an even number ');...

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struct to cell array
Why? Because Matlab works that way. >> nums.f ans = 1 ans = 2 ans = 3 outputs a list and {} ...

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regexp problem in '.'
Try %% test='abcde.abcde'; regexp(test,'\.','split') returns ans = 1×2 cell array {'abcde'} {'abcde'} dot...

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How can I use 'textscan' to read data from Sheet2 of an Excel file?
Try readtable( _______, 'DatetimeType', 'exceldatenum' ); See the documentation.

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What is happening here?
Proposal: Set a breakpoint at the line that throws the error. Run the code again. At the breakpoint, inspect the values of the v...

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How to select specific cells rows in a column
%% M = [ 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 ...

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Cant find the number of row for big size of matrix
The editor warns you that there is an issue with your code. Notice the orange signs in the column to the right of the editor t...

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How do I exclude certain lines from data files?
I downloaded example750.csv and tried a different approach of extracting and converting the hex-values >> cssm( 'example750.csv...

environ 7 ans il y a | 0

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getting error as "Data dimensions must agree." can someone help me resolve this
Are odefun1 and odefun the same function? Proposal: Set a breakpoint at the line that throws the error. Run the code again. At...

environ 7 ans il y a | 0

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Error: Index exceeds array bounds
There isn't enough information to spot with any certainty what the cause of the error is. The Matlab error message doesn't tel...

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Compare each row of matrix with the rest, conditionally
Assumptions: The lengths of the sides are whole numbers The maximum length of the sides is "reasonable" Another approach %%...

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Index exceeds matrix dimensions.
I've reproduced the error. The problem is that the variable, x, is empty when executions arrives at the line CTI1 = A(1,1)*x(1...

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Why get message "The current directory 'c:\program files\matlab\r2017b\bin' is reserved for MATLAB files. Please change your current directory to a writeable directory outside of the MATLAB installation area" How to Resolve?
Use a different folder to which you have write permission. Make sure you have permission to write to your current folder.

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Show column matrices of different sizes as tables?
The short answer is: You cannot, it's not supported. The walk-around is to pad the vectors to equal length with zeros, NaNs or s...

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How to get data after a specific word in the form of cell arrays
I'm stuck! (I need a more detailed instruction in a list format.) %% str = fileread( 'SampleText.txt' ); pos = strfind( str, ...

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Sort characters w/ number in a field of struct array
Search FEX for sort natural and see Natural Order Sorting

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Creating a multidimensional table
With R2018b >> R = zeros(3,3,10); >> T = table(R); >> T T = 3×1 table R _______________ [1x3...

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Index in position 2 exceeds array bounds (must not exceed 10). Error
See: Debug a MATLAB Program and Examine Values While Debugging I guess that when the error is thrown file_i > 10 the number ...

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sorting skalars and string
The first step >> monitorData = permute( reshape( hun, 2,[] ), [2,1] ); >> monitorData monitorData = 4×2 cell array {...

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How to skip some lines in a text file?
See textscan in the documentation and try something like cac = textscan( fid, '%f%f%f%f...', 'Headerlines',9' , 'CollectOutput'...

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how can i download from mathwork site
The download of "Interleaved Buck Converter" is a simple zip-file. It doesn't do anything automatically. Click [Download] and s...

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Question

How come that meta.class reports that a long list of methods are defined by a class that has nothing but a single enumeration block?
How come that meta.class reports that a long list of methods are defined by Bearing ? The list includes cellstr, strcmp, etc. I...

environ 7 ans il y a | 1 réponse | 0

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What's wrong with my bubble code?
The red markers in the right column indicates that something is seriously wrong Right click function (There is already a...

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Unexplained whitespace in ylabel
Here I don't see that space. I use Windows 10, Matlab R2018b and Acrobat Pro DC.

plus de 7 ans il y a | 0

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Dimensions of matrices being concatenated are not consistent.
See: Debug a MATLAB Program and Examine Values While Debugging and TUTORIAL: how to ask a question (on Answers) and get a fast...

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Add toolbox to MATLAB manually
"Is it possible to use it for the 2018 version" most likely "license is needed for this product" no it's free to use Insta...

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Error using + Matrix dimensions must agree.
Observation: for t1=1:length(y(1)) for t2=1:length(y(2)) Why loops? The length of one element is always ONE. I m...

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I want an if-else statement to check whether the a part of the input is a decimal or not? The following program gave an error for input (2.3, 4, 5, 6)
I get a warning (not an error) and that's because 2.3 isn't an integer. >> day_diff( 2.3, 4, 5, 6 ); Warning: Intege...

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How to create an structure fields from an cell array?
The old way %% namesoftags = {'timeaxis','cputime','flux','volts'}; data1 = [ 1,5,298,53 2,9,284,35 3,0...

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