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How can I write a large audio file without having to store the whole thing in memory at once?
I don't believe a piece-wise write exists yet for audio files. Until a better answer shows up, I would suggest: # If your mem...

9 years 前 | 1

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how to make a row into a one element
The other answer will only work for a very limited set of problems, and will break with even the slightest change, like having a...

9 years 前 | 0

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Find unique rows in cell array with mixed data types
I cannot recreate your problem. Here is what I did: AA = {'A','B','A','C'}; BB = [1 2 1 1]; CC= [true,true,true,false]; ...

9 years 前 | 2

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已回答
How to combine two images based off matched features?
Seems like you have the indices of the matched features in both images. If you are certain no rotation is required, then you can...

9 years 前 | 0

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How to flush out all variables before each iteration
Without more information, no way for me to suggest a better way to do this, but check: clearvars -except VarYouwantToKeep1 V...

9 years 前 | 0

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How to extract only certain values from a field in a structure array?
I am not aware of a way to do this without a for loop. If you run: P=[Cells.Type]==1 without the semi colon, you will se...

9 years 前 | 0

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已回答
how can I count the number of elements on a vector?
[C,ia,ic] = unique(T); c = hist(ic,1:max(ic)); CountArray = [T(ia) c'];

9 years 前 | 2

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Using Cross Validation for regression
I would do something along the lines of: Randomize = randperm(length(input)); inputRandom = input(Randomize); outputRand...

9 years 前 | 0

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how to use histogram(data, num_bins)?
You don't appear to be doing anything wrong. Your data is the problem: 1417.69 521.83 15.23 8.28 7.05 The plot sh...

9 years 前 | 0

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Hi, is it possible to count the number of ones in a matrix ?
sum(A(:) == 1);

9 years 前 | 14

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how to read multiple folders with a single text file and remove header and footer from this text file
Create a for looped chain using dir to access the folders. Something like: years = dir; years(1:2) = []; for yy = 1:length...

9 years 前 | 0

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已回答
adjacency matrix to boolean matrix convert
Sounds like what you want is simply: CliqueMatrix = AdjacencyMatrix >= Threshold; Then you would sum along the columns an...

9 years 前 | 0

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How to sum elements in a vector according to the location information from another vector?
sum(V(L))

9 years 前 | 0

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How to understand the data matrix formed by imread('XYZ.png')
It is the color in RGB format. For example Image(200,541,:) will give you the Red Green and Blue values of that particular pixel...

9 years 前 | 0

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overlapping area between two circles
If the formula is correct, here is a function that will calculate the area: a = @(d,r,R) (1/d).*sqrt(4*(d.^2)*(R.^2) - ((d.^...

9 years 前 | 0

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Im trying to create a code that will create a matrix with gaps depending on the input sequences
If your gap size is always the same for all elements: gap = 15; P1 = [0 25 50 75 100 125 150 175 200 225 250]; P1 = repm...

9 years 前 | 0

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Problem with imhist after modify image
For now use: imhist(uint8(I)) That will get your work done, although it puzzles me why that is necessary, because imhist ...

9 years 前 | 1

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Create GUI from existing code
1) Convert your code into a function. 2) Create a GUI element for every input to your function. I would use "GUIDE". 3) Wh...

9 years 前 | 1

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Is it possible to submit jobs to hpc cluster without purchasing MDCS?
Disclaimer: I am no expert. I don't see how the two interact at any level. The cluster is probably using some scheduler that ...

9 years 前 | 0

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Importing HH:MM:SS from excel
If you are using the import tool, use datetime, as in import as datetime initially. Then you will be able to access individual c...

9 years 前 | 0

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Subtracting a column from an array.
RESULT = bsxfun(@minus, MATRIX, COLUMN_VECTOR)

9 years 前 | 2

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Remove white background while using saveas command
You want this: http://www.mathworks.com/matlabcentral/fileexchange/23629-export-fig

9 years 前 | 0

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how to plot 3D matrix
Plotting data like that is a pain IMHO. Either try: - SliceOMatic: http://www.mathworks.com/matlabcentral/fileexchange/764-sl...

9 years 前 | 0

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Finding outer and inner edge of an ear image
A cheap trick would be to use bwconncomp on your edge image, and then use a for loop to only keeps the ones that contain a pixel...

9 years 前 | 0

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Pulling my hair out over this simple for loop! Please help!
Its the brackets. You cannot use normal brackets for vectors of strings as they are stored as cell arrays. for i = 1:length(...

9 years 前 | 0

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Displaying STL file with colored facets
p = patch('faces',F,'vertices',V,'FaceColor',[0.8 0.8 1.0],'FaceLighting','gouraud'); Pass the surface roughness vector as t...

9 years 前 | 0

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已回答
How do I change an image to binary?
ImageSegmenter should help you if you have the toolbox, since you sound like a novice user. http://www.mathworks.com/help/image...

9 years 前 | 0

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How to split a column in a table into two columns by a space
strsplit is your friend: <http://www.mathworks.com/help/matlab/ref/strsplit.html>

9 years 前 | 0

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Create a PDF document from Matlab?
publish('myscript.m','pdf'); For reference: <http://www.mathworks.com/help/matlab/ref/publish.html>

9 years 前 | 3

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How to find out contour/boundary of binary 3D image
No direct built in function that I know off. Use circshift to extract them in N Dimensions. If A is your data and I want to find...

9 years 前 | 0