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Reading all values as a string from excel file
Maybe you can just convert the decimal times to datetimes using the datetime() function, after reading them in. now() datetime...

22 minutes ago | 0

Crop image from imagesc, after creating the image.
You can set the axes YLim to the relevant part. In your case: set(gca(),'YLim',[-1 0]);

4 hours ago | 1

How can I add string character description in the X axes instead of numbers? Is there a way to enhancer this code?
Something like this? clear all; %get rid of everything in memory close all; %close all open figures %X axis Test_Cases = { '...

4 hours ago | 0

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How to perform division correctly?
It's not because of division, per se, but because of floating-point arithmetic. No division here: a = 3*0.3; b = 0.9; a ==...

4 hours ago | 0

Delete Output_Fcn in GUI
The outputFcn is for returning a handle to your figure (and additional outputs if you like), so you can call your m-file like th...

5 hours ago | 0

How to draw voronoi diagram population of country(Numerical one axis data) with name of country with Excel data.
Voronoi diagram is 2D. I don't know where you're going to get a second numeric axis. Using an index isn't very interesting. vor...

5 hours ago | 0

plotting a 2D line plot using data with 3 variables
Is something like this what you want to do? % 100 depth values: depth = 100:199; % 14 sediment diameter values: diameter = l...

5 hours ago | 0

Error using reshape function when trying to split columns into equally sized columns in new cell array
The N's are not being calculated correctly, because this line is incorrect: N = block_size*ceil(numel(participants{j},1)/block_...

7 hours ago | 1

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How to find the mode of an array?
One thing you can do is set your inner loop ('b' loop) to start at the index one after the current value of a. This way you neve...

16 hours ago | 0

Organize the logic to transform given matrix into required
A = [1 5 4 5 7; 2 5 5 5 8; 3 5 6 5 9] B = A.'; % transpose B = B(1:2:end,:) % take every alternate row, starting with 1st Or:...

19 hours ago | 0

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How to extract data for some particular region from 1 dimenational satellite data (spatial)
load('sat_data.mat') whos() w idx = inpolygon(lon,lat,w.X,w.Y); scatter3(lon(idx),lat(idx),xch4(idx))

19 hours ago | 0

Organize the logic to transform given matrix into required:
A = reshape(1:9,3,[]).' B = triu(A); B(1:size(A,1)+1:end) = -1

20 hours ago | 0

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Replacing text with value
A1 = 'A':'O' A2 = 1:15 r = 'AE'; [~,idx] = ismember(r,A1); s = A2(idx)

20 hours ago | 0

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can deployed application run the 'run' function?
Unfortunately, run() is not supported in deployed applications. <https://www.mathworks.com/help/compiler/unsupported-function...

20 hours ago | 0

How to write struct back to h5 file
This is a partial answer, at best. But here's how you can modify the 'index' member of the 'table' dataset in that .h5 file, und...

23 hours ago | 0

How to quickly "plug in" numerical values into symbolic equations to get a numerical result
You can use subs() to do that. It will evaluate yt1 and give you a symbolic value, on which you can use double() to convert to a...

1 day ago | 0

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I want to create a matrix combining 2 matrices. The new one must have from the diagonal up de elements of matrix A and from the diagonal down the elements of matrix B. Help
You can use triu() and tril() to get upper- and lower-triangular matrices, respectively, and logical indexing to combine them: ...

1 day ago | 1

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Why my arithmetic function not working ?
From the documentation for im2double(): "im2double rescales the output from integer data types to the range [0, 1]." So if your...

1 day ago | 0

How can I rewrite this in a simple short code
EA = abs([1 (MID(2:end)-MID(1:end-1))./MID(2:end)].');

2 days ago | 2

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How i can convert from hex numbers to charter ?
hexStr = ['12';'A6';'36';'36';'F6';'04';'EA';'F6';'4E';'36';'26']; char(bin2dec(fliplr(dec2bin(hex2dec(hexStr),8)))).'

2 days ago | 1

Preallocate array of unknown size within cell
One thing you might try is to make posReferences a matrix of size numel(eventPositions) by r, so that it is pre-allocated to hav...

2 days ago | 1

I am getting this error "The right and left hand sides must have the same number of elements" while computing g(i)
Try replacing this line: g(i) = abs(real(v_ref - vc_k1)) + abs(imag(v_ref - vc_k1)); with this line: g(:,i) = abs(real(v_ref(...

2 days ago | 0

How to save a value from a slider
One thing to note is that plotButtonPushed() is nested inside changeThreshold(), so the main function buttonPlot() will not see ...

2 days ago | 0

Select lines from table to plot in MATLAB GUI
You can create one line for each spectrum (this would probably be in the plot button Callback) and then set the visibility of th...

2 days ago | 0

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Save multiple columns of multiple csv files?
[file_list, path_n] = uigetfile('.csv', 'Grab csv', 'Multiselect', 'on'); if ~iscell(file_list) file_list = {file_list}; ...

3 days ago | 0

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Setting section = NaN deletes part of matrix
Change this: bath_50m(ilon, ilat) = NaN; to this: bath_50m(ilat, ilon) = NaN; The reason is because this happened: bath_ch...

3 days ago | 0

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How to plot overlapped graphs better?
Maybe make top line dotted: figure(3) plot(t,mu_true,"b-"); hold on plot(t,mu_predicted , "r:"); xlabel('t'); ylabel('result...

3 days ago | 0

Trouble using strings in If statements using OR
if race == "H2" || race == "H1" || race == "H3" || race == "H4"

3 days ago | 0

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