# Benjamin

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**Content Feed**

extract data from cell array

You can convert the cell array of structs to an array of structs using cell2mat(), since all the structs have the same set of fi...

circa 7 ore ago | 0

Research of an element in an array

Perhaps you mean to do this: disp ('Ricerca elemento X nel vettore somma S') X=input ('X'); K = find(S==X); if ~isempty(K) ...

circa 11 ore ago | 0

| accepted

How to create an output excel file after using uitgetfile to select multiple files?

Collect each file's "Sum" in a cell array inside the loop, and then write it to file after the loop: [file_list,path_name] = ui...

circa 12 ore ago | 0

Auto Detect different file types?

Since the only difference between the way the two file types are read with readtext() is the delimiter, you can try different de...

circa 13 ore ago | 0

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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...

1 giorno 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]);

1 giorno 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 = { '...

1 giorno 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 ==...

1 giorno 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...

1 giorno 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...

1 giorno 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...

1 giorno 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_...

1 giorno 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...

2 giorni ago | 0

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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:...

2 giorni 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))

2 giorni 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

2 giorni 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)

2 giorni 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...

2 giorni ago | 0

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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...

2 giorni ago | 0

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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...

2 giorni 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: ...

2 giorni 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...

2 giorni 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)].');

3 giorni 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)))).'

3 giorni 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...

3 giorni 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(...

3 giorni 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 ...

4 giorni 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...

4 giorni 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}; ...

4 giorni 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...

4 giorni ago | 0

| accepted