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xlswrite different columns into excel each run
If you switch to writematrix, you can set 'WriteMode' to 'append'. If you want to stick with xlswrite, you will have to read th...

11ヶ月前 | 0

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Do I need to buy other toolboxes to use Financial Toolbox
This indicates that the Financial Toolbox will not work properly (or possibly not at all) without the other toolboxes. This mean...

11ヶ月前 | 2

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Highest-quality printed graphics with exportgraphics
For vector images only the contents of your figure matter: do you have raster images (e.g. with imshow or image)? If so, saving ...

11ヶ月前 | 1

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repeated condition in a for loop
Conditions like 0<t<a*b should be split in Matlab to |0<t && t<a*b|. Note that your code will be overwriting the result and t...

11ヶ月前 | 1

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I don't understand why the last line is wrong
Your syntax is confusing. I don't think this code does what you think it does. The a and B variables are overwritten every itera...

11ヶ月前 | 0

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how to plot a summation function in matlab using a for loop
It's a good start. You should only put the summation part in the loop, and you should store the results in a vector. (remembe...

11ヶ月前 | 1

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Pre-allocating cell array of anonymous functions
You can pre-allocate the cell array itself, but the contents will have to be set in the loop itself: my_fun_array = cell(1,q_to...

11ヶ月前 | 1

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express ODE without set a m file function
If you want to replicate the results, you need to replicate the function exactly: func=@(t,y,cd,m) [y(2);9.81-cd/m*y(2)*abs...

11ヶ月前 | 0

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Unable to find function @(fd)(1/(1+A(fd/fdmax2)^2)) within E:\matlab\bin\hw3.m.
As you can see, the error here is different than what you report. Did you consider changing your function to have an output arg...

11ヶ月前 | 0

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Date and time range picker from user
You might be interested in this example. You can easilly create an 'ok' button that will retrieve the set dates and times and cl...

11ヶ月前 | 0

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urlread for links in html database
You can use sprintf to form the URLs. n=21001; url=sprintf('%s%d.dat','https://gml.noaa.gov/aftp/data/radiation/solrad/abq/20...

11ヶ月前 | 0

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Renewal fee for matlab student version
There is no such thing as a renewal fee. You can keep using the student version of the release you purchased as long as you a...

11ヶ月前 | 1

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Help to verify obtained plots from .txt file data.
You can find an explanation for the layout tools here. It is the toolbar you see when you edit your question. How did you try t...

11ヶ月前 | 0

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ERROR: Array indices must be positive integers or logical values.
Actually, the result of your code is a missing variable. Once you fix that, you will have to edit your code to avoid X(0).

11ヶ月前 | 0

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Textscan function ignores final delimiter when token is empty
From what I can tell, this is intended functionality. It is unable to match the format specification to an empty array, so it is...

11ヶ月前 | 0

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How can I use codes downloaded in MATLAB file exchange?
With a sufficiently new release you can use the AddOn Manager to add submissions automatically. That should even take care of up...

11ヶ月前 | 0

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How to define row and column of element in grid layout while initializing
The point you're missing is that the Layout argument is expected to be a struct. Since Layout.Row is not a valid Matlab field na...

12ヶ月前 | 1

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how do i change the dicom file's brightness and contrast with slider bar in app designer
You should use caxis instead. That way you can adjust brightness and contrast directly without having to redraw the image every ...

12ヶ月前 | 0

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How to make normal distribution curve from the bar chart?
Your data resolution is too low now that you have this bar chart. Unless you have the actual underlying data it is not possible ...

12ヶ月前 | 0

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From a structure with "n" fields which each are a vector, I want to make a vector of length "n" made of the 3rd value of each vector of my structure.
The last solution you mention would be my suggestion, except you don't need the (:). file = struct('dist',{[1 2 3];[4 5 6]}); ...

12ヶ月前 | 0

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How can I write duplicate files that are equal to or greater than 1GB to a excel file in Matlab?
You can use the unique function instead of your double loop (which could be improved by starting the second at (i+1) instead of ...

12ヶ月前 | 1

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How can I use a for loop to interpolate to a certain number of points, and remove NaNs?
For the second part it is easy enough with a few cell vectors as an intermediate step (if you want to store the separate element...

12ヶ月前 | 0

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Creating an inputted number of randomised arrays
Depending on what you want to do next, you can either create a cell vector in a loop, where each element is a matrix, or you can...

12ヶ月前 | 1

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histcounts do not provide a reasonable output
With Matlab you generally don't have to be confused about functions. The documentation is one of the major advantages of Matlab ...

12ヶ月前 | 0

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Changing line colors in nested for loop not working
Why are you using eval? There is no real reason you should need it. Same goes for length: what you actually mean is numel (or pe...

12ヶ月前 | 0

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Portable version of Matlab
Besides some trickery with a networked license, it is very likely against the license agreement to have a portable Matlab instal...

12ヶ月前 | 0

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How to access data of regexp output (without temporary variable)?
If you insist on a single line, you can even use subsref to index the result of regexp. That will make your code hard to read an...

12ヶ月前 | 1

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How to create a column vector corresponding to number of rows of matrices using for loop?
You should always load to a variable. Then it is a lot easier to see where your variables come from. For this case I expect you ...

12ヶ月前 | 0

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How to generate randomly placed circles and assign them a function-defined value
Just a clarification: M is not a function here, but a variable. Otherwise your code as posted would not work. Putting this in a...

12ヶ月前 | 0

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Using App Designer, saving (and loading) data from the Edit Fields of the GUI to a file?
Your loading function needs to load the file, and then set the values of the fields. It currently only does the former. A mat...

約1年前 | 0

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