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Please help to get answer of this particular problem, which I won't understood, If A=[1 12 15;3 16 20;5 24 25] what will be the value of 'a' if [a b]=size(A)?
A=[1 12 15;3 16 20;5 24 25]; [a b] = size(A); disp(a)

4 years ago | 1

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Answered
Random number generator help
rand gives you number(s) between 0 and 1, so with appropriate scaling and offsetting, you can use it to get number(s) from any g...

4 years ago | 0

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Answered
Colormap- specific values for each heatmap value
Your idea of replicating the same color a certain number of times to build a colormap is good. However, the number of times each...

4 years ago | 0

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How to display data in textbox from a choosen name in listbox?
Something like this is what you're after: function listbox1_Callback(hObject, eventdata, handles) val = get(handles.listbox1...

4 years ago | 1

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Answered
legend for multiple plots
% some matrices: res540 = rand(6,15); res720 = 1+rand(6,15); res900 = 2+rand(6,15); res1080 = 3+rand(6,15); % store the l...

4 years ago | 0

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Answered
Readtable ignoring first X rows
You can specify 'NumHeaderLines',0 in your call to readtable: q_sectors = readtable('qualy_sectors.csv','NumHeaderLines',0) No...

4 years ago | 2

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Answered
reshape a cell array to be row major
Maybe storing the data in a table will end up being more convenient: t = readtable('log.txt') t(2,:) However, to get a cell a...

4 years ago | 0

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Answered
How to find the heights and widths of two repetitive neighboring peaks?
One place to start might be findpeaks, perhaps with the NPeaks and/or MinPeakHeight arguments, possibly with a low-pass filter a...

4 years ago | 0

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How to get argument of complex exponential?
The "sampling time" is not small enough. It must be less than 1/(2*nu) - i.e., sampling rate greater than 2*nu - to avoid aliasi...

4 years ago | 0

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Answered
Error in pdm_experiment_eeg_only
MATLAB is case-sensitive, so try changing screen to Screen: framrate = Screen ('framerate',0);

4 years ago | 0

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matrix columns in matlab
A = 1:1000 Y = repmat(A.',1,1000)

4 years ago | 0

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How to change distance of xticks in 3d bar plot (using bar3) ?
july_mean = 20 + (50-20).*rand(24,1); june_mean = 20 + (50-20).*rand(24,1); may_mean = 20 + (50-20).*rand(24,1); dat = [may_m...

4 years ago | 0

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Answered
Cache values from loop (with differing lengths) to save in 1 variable / matrix
To handle vectors of different lengths, you can make time_to_event a cell array: time_to_event = cell(numel(files),1); for ii ...

4 years ago | 0

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Answered
How can I select the aerosol values from different size of matrix?
Note that A is [2 2] A = size([0 0; 1 1]) so size(A) is [1 2] size(A) So when you compare size(Out(dates).aerosol) with size...

4 years ago | 0

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Answered
Extraction of frequencies and there indices from FFT graph ( for DTMF Detection)
The second output from findpeaks is the location of the peaks, which are the indices in the input vector where the peaks occur. ...

4 years ago | 1

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ismember(a, b) function problem
ismember(a,b) tells you whether each element of a exists somewhere in b ismember([1 2 3 4 5],[2 4 6]) % 2 and 4 exist in [2 4 6...

4 years ago | 0

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Answered
The setting of the time series on the x-axis
Instead of using datenum x values, you can plot with datetime x values and then set the xticklabel format using xtickformat: % ...

4 years ago | 0

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error: invalid call to script
You are getting that error because you have a file called imadjust.m (located in /home/oo/), which is a script. Scripts take no ...

4 years ago | 1

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Delete a selected row in a uitable
Move this line to the OpeningFcn: set(handles.uitable4,'CellSelectionCallBack',@(h,e) set(h,'UserData',e)); Having that line i...

4 years ago | 1

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Answered
I want to represent a set of 2-D experimental data (1 x 10matrix) using a colorbar plot.
data = [0 10 15 0 10 17 0 17 30 0]; x_spacing = 30; y = 18; n = numel(data); p = patch( ... 'XData',x_spacing*([0;1...

4 years ago | 0

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Answered
Can the Code Profiler be used programmatically to profile an app in App Designer?
"Can I initiate the start and stop of the profiling programatically?" Yes. See the "action" input argument part of the document...

4 years ago | 0

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Solo plotea en 2D. Error al utilizar surf o scatter3 en 3D
You can rename your script view.m to another name that doesn't shadow a built-in function, or you can change the View property o...

4 years ago | 0

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Add image into figure outside of plot axes
If your axes limits are fixed, then you could make an image in the same axes, place it outside the axes limits and turn Clipping...

4 years ago | 0

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Answered
Find all rows that contain a specific value in a excel
This call to strcmp: strcmp(T.Product, 'String', item) has an extraneous 2nd argument 'String'. It should be: strcmp(T.Produc...

4 years ago | 0

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Answered
How to replace columns in a datafile after performing mathematical operations to them?
x=5; % a constant y=7; %another constant a = readmatrix('file1.txt'); disp(a) new_a = a; new_a(:,1) = new_a(:,1)/x; new_...

4 years ago | 0

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Answered
creating one legend for all data
c and d (the variables returned from boxplot) are matrices of handles to the lines created by boxplot. In legend, you can specif...

4 years ago | 1

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how to extract pixels from a image {black and white only }
data = imbinarize(rgb2gray(imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/160786/image.jpeg'))); % 1....

4 years ago | 0

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[Error: Function definition not supported in this context. Create functions in code file
To get past that particular error, move all the function definitions to the bottom of the script. I've done this for the m-file...

4 years ago | 2

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Answered
"Column Vector" XTick labels
plot(0:2,2-(0:2),'*') xticks([0 1 2]) xticklabels(sprintfc('%d\\newline%d',[0 2 1 1 2 0]))

4 years ago | 1

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Answered
How can I un-nest a cell array of different type cells?
C = {{'X';'X';'X'} [1;2;3] {'Y';'Y';'Y'} [1;2;3] {'Z';'Z';'Z'} [1;2;3]} % your cell array T = table(C{:}) % make a table T wri...

4 years ago | 1

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