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Illegal use of reserved keyword
Unless that function is in a larger file which is a class definition (i.e. the very first line of the file except for comments i...

8 years ago | 0

Answered
Linear regression between every 3×3 pixels of two rasters
For what you want to do, |blockproc| wouldn't work as it does not overlap the blocks. <https://www.mathworks.com/help/images/ref...

8 years ago | 0

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Answered
Changing the header in a file which include binary content
For a start, you never put back all the |\n| characters that you've removed. fprintf(fid, strjoin(A, '\n')); may work. H...

8 years ago | 1

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Answered
find the number of elements in matrix
Should work regardless of the type of data in the 6th column: [id, group] = findgroups(yourtable.nameof6column) count = ...

8 years ago | 0

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Bonjour ,je cherche une commande sur matlab qui me permet de détecter les minuscules ou les majuscules dans une chaines de caractère pleaaaz can you help me !
>> s = 'A De DanS'; >> isstrprop(s, 'upper') ans = 1×9 logical array 1 0 1 0 0 1 0 0 1 >>...

8 years ago | 1

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Answered
Comparing two values of a matrice
Ok, I'm a bit unclear why we have a variable for age but not one for chest pain in your question. Never mind, let's assume it's ...

8 years ago | 1

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Answered
How to efficiently find maximum of selected indices of an array in MATLAB?
You don't have a choice, a loop is required for that. Either an explicit one: pv = zeros(size(s_on)); for idx = 1:numel...

8 years ago | 0

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Answered
How to shuffle an image diagonally?
Sounds like a 180 rotation, so: rot90(yourimage, 2)

8 years ago | 0

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Answered
Need help for LAB to RGB conversions of an image
You would usually display the 3 channels separately after conversion. I.e.: figure; for channel = 1:3 subplot(2, 1...

8 years ago | 0

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How could I convert python code to matlab?
Eeek! That's not an efficient algorithm. There are <https://en.wikipedia.org/wiki/Stern%E2%80%93Brocot_tree much better algorith...

8 years ago | 0

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I am trying to convert this for loop from matlab to C. Could someone please help
Note: It's been ages since I've written any C code, and even then it was mostly C++ not C. Expect some bugs. First you'll hav...

8 years ago | 0

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Answered
comparing floating point numbers
If you're trying to find at which |k| index of |B| the value |A(i)| is between |B(k)| and |B(k+1)|, then: [~, idx] = histc(...

8 years ago | 0

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Convert HH:MM:SS.FFF to seconds
Assuming you're on a not too ancient version of matlab: t = readtable('Acceleration_2018_04_04_0159.dat'); d = datetime(...

8 years ago | 1

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from excel file 12-bit binary signed numbers to decimal values into matlab
It's easier if you force matlab to read these numbers as text: fid = fopen('data.csv'); text = textscan(fid, '%s%s', 'De...

8 years ago | 1

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Answered
Replacing elements of multilevel cell arrays
Assuming that all |meancalc{t,u}{v,w}| contain matrices, you'll have to use a double for loop: for outer = 1:numel(meancalc...

8 years ago | 0

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Answered
how to display folder which is already stored?
It seems that you already have done all the work necessary to plot your images into a single window (with the |subplot| lines) b...

8 years ago | 0

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Background color row in table
No, the variable editor is fairly basic, and does not offer any option to colour cells, columns or rows. If you were to create y...

8 years ago | 0

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Answered
How to seperate data stored as a table in matlab into multiple tables based on the date.
_Any idea how to do this using R2017b_ Yes, don't do it! In general splitting one variable into multiple variables is a bad i...

8 years ago | 0

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MATLAB Online Font Type
According to the developer tools in my browser (Firefox Windows), the font is specified as font-family: Menlo, Monaco, Con...

8 years ago | 1

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I have randomly placed 10 nodes in a 100x100 area. Now I need those node to get connected to each other that are within the provided range.
*File3:* Unknown = load('unknwn.mat'); Pop = load('anch.mat'); Dist = load('Distance.mat'); Dist = Dist.Dist; f...

8 years ago | 0

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Create new variable that is first n numbers of data where n is a DataIndex
Array indices always start at 1 in matlab. The problem is not with |YieldIdx| (assuming it's smaller than |numel(Xresil)| and in...

8 years ago | 0

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Answered
How to obtain true length (pixel-center to pixel-center) of convex hulls in a multi-object image
|convhull| returns the index in the pixel list to keep in order to get the convex hull. hull1 = convhull(props(28).PixelLi...

8 years ago | 1

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How to obtain true length (pixel-center to pixel-center) of convex hulls in a multi-object image
Yes, I really hate that |regionprops| consider pixels to have an area. You get the same issue that |BoundingBox| is offset by 0....

8 years ago | 1

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Answered
How to sort any size matrix elements from largest to smallest using loop?
I have not looked in enough details at your code to know why it doesn't work for n = 3. I suspect that it does not work for a lo...

8 years ago | 0

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How to get rid of a row if one column is less than a certain value?
You started with a table which are a lot easier to work with than cell arrays, so get rid of the |table2cell|. For that matter, ...

8 years ago | 0

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How to also read the first row correctly with 'readtable'
You seem to be confusing rows and columns. |'ReadRowNames', true| means use the values in the *1st column* to name the *rows*. I...

8 years ago | 2

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Answered
How can i convert this simple program from Matlab into visual basic
|y(end)| is simply the last element of the array, so you simply have to replace the end by the index of the last element of the ...

8 years ago | 0

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Using the find function in a loop
The immediate cause for the error is simple, you already have a variable called |datarecords| and it's not a cell array. Since n...

8 years ago | 0

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Answered
Can someone tell me what is wrong with my code, and any corrections to be made?
_"I dont know how to go about fixing it"_ The best way is to <https://www.mathworks.com/help/matlab/matlab_prog/debugging-pro...

8 years ago | 0

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Counting numbers over a threshold in a row
demoarray = randi(500, 5200, 6); %demodata threshold = 50; minrunlength = 48; runedges = diff([false(1, size(demo...

8 years ago | 0

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