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How can I store tables object in an array?
Option 1 is to store your tables into a cell array. You can then use explicit loops or |cellfun| to apply the same code to each ...

8 years ago | 1

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Answered
Is it possible to have matlab go into debugging mode only when it hits a nan?
Have you looked at the documentation? It's right there in the documentation of <https://uk.mathworks.com/help/matlab/ref/dbstop....

8 years ago | 0

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How do I make input/output in a function a vector?
You could wrap your existing near endless list of |if ... elseif| into a |for| loop... (see answer by Jesus) ... Or you could...

8 years ago | 0

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syncing map image with coordinates
The convention for images is that the top left corner is the origin with the y-axis pointing down. However, you're using a diffe...

8 years ago | 0

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Categorising the star into different types
Use the 2nd return value of |ismember| as row index into your colour matrix: name = 'KKGAB'.'; type = 'ABGK'; colour ...

8 years ago | 0

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can lab color space normalize?
_as we all know, the range of lab color space is ..._ Not really, this is a convention but like all colour encoding you can u...

8 years ago | 2

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Trying to convert string to number but the last number is not converting. What am I doing wrong in the code? The problem is B(j)=str2num(B(j)) row.
For a start it should be B{j} = str2num(B{j}); and I would recommend using |str2double| instead of |str2num|. Given the...

8 years ago | 0

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Answered
Add column of group sum to the right of matrix
[~, ~, uid] = unique(yourmatrix(:, [1 2]), 'rows'); uidsum = accumarray(uid, yourmatrix(:, 5)); yourmatrix(:, 6) = uidsum(u...

8 years ago | 1

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How to define cell arrays that their elements are extracted from a Dataset?
I'm not very clear on what the edges and nodes in your graph should be. If the edges are defined simply by the pair Assignee and...

8 years ago | 0

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Answered
listening to the creation/deletion of a file with specific name.
Yes, with .Net it's very easy using <https://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher(v=vs.110).aspx |System...

8 years ago | 2

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How can I identify value of an array?
Please, do read the discussion on the <https://de.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-b...

8 years ago | 0

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confusion for how to use switch with multiple inputs
yes, none of your tests make much sense. I find your use of spaces very strange. if C(k,1)& C(k,2) ==0 using brackets fo...

8 years ago | 1

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Answered
How to create doubles from cell arrays?
_if there is a more efficient code_ Yes, don't use cell arrays! a = randn(200, 5, 10); your |b{j}| is simply p...

8 years ago | 0

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How to create sliding window
Ok, now the inputs are very clear. And the answer to your question is: don't do it! Here's a very simple rule: if you start n...

8 years ago | 0

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Image with Horizontal Longitudinal View
If I understood correctly. The multiframe image is greyscale or indexed, since each image is 2D, and the frame are the pages of ...

8 years ago | 0

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How to get a horizontal intensity scan line?
_get a horizontal intensity scan line in the middle of the image_ Isn't that very basic matrix indexing? yourimage(row, ...

8 years ago | 0

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Wait a boolean variable becomes false
Well, you can always write a while loop that test that the property is false. %start simulation while yourcomobject.IsSu...

8 years ago | 0

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Sort raw data from a stream, with more zeros on top
numzeros = sum(yourmatrix(:, 1:6) == 0, 2); [~, order] = sortrows([numzeros, yourmatrix(:, 13)], [-1 2]); yourmatrix = y...

8 years ago | 0

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Answered
Finding difference between two rows
yourtable.ChangeReg = [0; diff(yourtable.NameOfFirstColumn)]

8 years ago | 4

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How can I speed up my script? I'm using loops and contains function and I have to screen 14K X 167K variables
reference = readtable('MATLAB ASk2.xls', 'ReadVariableNames', false, 'Range', 'A:B'); raw = readtable('MATLAB ASk3.xls'); ...

8 years ago | 0

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Answered
How do I limit the range of a colormap when using imwrite
Before the call to |ind2rgb| (or |imwrite|), you need to rescale your matrix as colour indices so that the minimum is index 1 (f...

8 years ago | 0

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Answered
How to integrate anonymous functions
You cannot combine numbers (F and E) and functions with mathematics operations. You need to create a new function: True_Are...

8 years ago | 1

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How to display and save individual connected components of a color image?
Note: the thresholding you perform using |imbinarize| only takes into account the luminance of the image. The colour information...

8 years ago | 1

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where do I find documentation for helperCompareResponses
Most likely (don't have the toolbox so can't check), that function is included as part of the example. Therefore, other than wha...

8 years ago | 0

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Undefined function 'immse' for input arguments of type 'uint8'.
|immse| was introduced in version R2014b and requires the image processing toolbox. If you're on an earlier version or don't hav...

8 years ago | 1

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Answered
How to make my code run faster
If all you want to do is count the number of lines in the file, then parsing it is a waste of time: numlines = sum(fileread...

8 years ago | 1

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How to test for a 1 x 0 cell array?
A 1x0 cell array is an empty array. |isempty| will return |true| for that, so your test is valid. >> c = cell(1, 0); >> ...

8 years ago | 1

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Numerical integration with variable limits
Probably, %L, TP, T, w, a, AL, epsilon, all defined prior to next line innerintegral = @(y) w * (epsilon + a*y).^AL * L ...

8 years ago | 0

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Answered
Is there way to read powerpoint file and get data?
I've never automated powerpoint, but like any other office application it shouldn't be too hard. The powerpoint DOM is <https://...

8 years ago | 2

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how to extract rows has a same value in column 1 and plot until those rows of column 2 and 3?
If all you want to do is plot the two columns against each other according to the first column, and assuming that the first colu...

8 years ago | 1