# Benjamin

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**Content Feed**

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...

15 hours 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]);

18 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 = { '...

19 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 ==...

19 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...

20 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...

20 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...

20 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_...

21 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...

1 day 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:...

1 day 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))

1 day 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

1 day 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)

1 day 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...

1 day 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...

1 day 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...

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: ...

2 days 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 days 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 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)))).'

3 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...

3 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(...

3 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 ...

3 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...

3 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}; ...

4 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...

4 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...

4 days ago | 0

Trouble using strings in If statements using OR

if race == "H2" || race == "H1" || race == "H3" || race == "H4"

4 days ago | 0

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I need to read an array to see if it has repeated elements (using for loop)

You can do it with two for loops like that, but note that if an element occurs more than two times, each pair will be counted, e...

4 days ago | 1

When a structure is passed to a function, can we add a field to it?

The answer is yes, the function can add a new field and pass the struct back out, and no, you don't have to create a new struct ...

4 days ago | 0

| accepted