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I tried this code but it gives me an error
u appears to be in degrees, but phi_n appears to be in radians. You need to convert one or the other, and then use the appropria...

2 years ago | 0

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Answered
Find data from txt file
filename = 'file1.txt'; dt = str2double(regexpi(fileread(filename),'dt. (.*) sec','tokens','once')) filename = 'file2.txt'; d...

2 years ago | 1

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Find a smaller matrix within a larger matrix
small = 2:7; big = [randi(10,2,15); 2:16; 2:7 10 12 13 15 16 19 20 22 23; randi(10,3,15)] idx = cellfun(@(row)~isempty(strfi...

2 years ago | 1

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Answered
The function's input parameter must be a vector or matrix, and the function must add 1 to each element of the input parameter.
If the task were to write a function that multiplies each element of a vector or matrix (or any array) by 2, then a solution mig...

2 years ago | 0

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I'm trying to convert the text into binary and then i want to make the 4 bits chunks.
Is this what you are going for? message = 'Hello world'; A = dec2bin(message, 8); cc = reshape(A.',1,[])

2 years ago | 0

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Merging 2 plots that are already saved as .fig files
Something like this might work, assuming each figure has one axes: fig1 = openfig('File1.fig','invisible'); fig2 = openfig('Fi...

2 years ago | 0

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Answered
colorbar label along y-axis instead of x-axis
% generate random data: lon = 0:359; lat = -90:90; tmp2 = 217+96*rand(numel(lat),numel(lon)); contourf(lon,lat,tmp2, 25, '...

2 years ago | 0

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Answered
While Loops and Criteria
I'm not sure why it's always randi(4), when the matrices all have 9 rows. Are you constrained to pulling from only the first 4 r...

2 years ago | 0

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Answered
How can I get my script to calculate the average correctly?
Are you sure you want to take the mean over the second dimension here? % Calculate average depth and average load for each row ...

2 years ago | 1

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why can't I use uitable to display a table on a figure?
A uitable's Data cannot be a table variable if the uitable is in a figure created with the figure function. See the description ...

2 years ago | 0

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Answered
Why is my figure different when I open it in the Figure Window, compared to that displayed in the results pane of Live Script?
Try saving the uifigure directly at the end of your code: fig_filename = 'output.fig'; % change this to what/where the .fig fil...

2 years ago | 0

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In app designer, I have a random number generated that is assigned to a variable. If the number is 1, I want the user to be able to choose the value of this variable: 1 or 11
p = [p1 p2]; for ii = [1 2] if p(ii) == 1 while true answer = questdlg('You have drawn an ace! Pleas...

2 years ago | 1

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I have an error with this code for different number of elements. I'm lost on how to fix it for the proper output.
Transpose the (0:N-1) vector, because you want a column vector, in order to be consistent with the shape of the data variable, w...

2 years ago | 0

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Answered
figure is not being displayed
All the plots in the 2nd, 3rd, and 4th figures are based on scalars. Plotting a scalar is plotting a single point, so it's not g...

2 years ago | 0

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Need help to run the Matlab code
"No. of Bees" must be a positive even number. "Dim" mut be 1 or 2. "Iteration" must be a positive integer. "Run" must be a posit...

2 years ago | 0

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Answered
how to plot directly from value in app designer?
Assuming those are numeric edit fields called "InsEdit1", "InsEdit2", ..., and "TimeEdit1", "TimeEdit2", ..., then here's one wa...

2 years ago | 0

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Answered
My pie chart wont show up
I assume the problem is that your code calls plotCostBreakdown when it should call costBreakdown (or that the costBreakdown func...

2 years ago | 0

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Do calculations in csv data one csv file at the time
Something like this; adjust as necessary. % use dir() to get info about the relevant csv files: csv_dir = '.'; F = dir(fullfi...

2 years ago | 0

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How to write the sum of several matrices in Matlab ?
A = sum(B,3);

2 years ago | 0

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'Text' must be character vector issue in app designer
You can store the buttons in an array (not a cell array), and you don't need to put x in a cell array either. Also, reshape is n...

2 years ago | 1

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Answered
Matrix dimensions must agree
Read the descriptions on the pcolor documentation page for X, Y, and C - specifically how their sizes must be related. Then che...

2 years ago | 0

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Fill function not accepting hexadecimal colors
A = [2 2 4 4]; B = [5 3 3 5]; patch("XData",A,"YData",B,"FaceColor","#0000FF");

2 years ago | 0

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Answered
How can I extract an array of numbers from a text-formatted cell array of strings.
data = { '20s' '15m' '' '24s' '' '44s' '3h' '40m' '20s' '' '14s' }; ...

2 years ago | 0

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How to Convert a Scalar Struct with Vector Fields to a Vector Struct with Scalar Fields?
S.x = [1 2]; S.y = [10 20]; N = numel(S.x); f = fieldnames(S); NF = numel(f); clear A A(N) = S; for ii = 1:N for...

2 years ago | 0

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How to Convert a Scalar Struct with Vector Fields to a Vector Struct with Scalar Fields?
S.x = [1 2]; S.y = [10 20]; C = [fieldnames(S) , cellfun(@num2cell,struct2cell(S),'Uni',false)].'; A = struct(C{:}) [A.x] ...

2 years ago | 0

Answered
How to Convert a Scalar Struct with Vector Fields to a Vector Struct with Scalar Fields?
S.x = [1 2]; S.y = [10 20]; C = [fieldnames(S) , struct2cell(structfun(@num2cell,S,'Uni',false))].'; A = struct(C{:}) [A.x...

2 years ago | 0

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Answered
How to interpolate and smooth across values in a matrix, while ignoring NaN values?
Avoid putting NaNs into the scatteredInterpolant: idx = ~isnan(scan2); interpImage = scatteredInterpolant(micsX(idx),micsY(idx...

2 years ago | 0

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Answered
Aligning then subtracting unequal length column vectors
xspots = [ 2600.00 2679.00 2802.00 2924.00 3046.00 3169.00 3291.00 3413.00 3536.00 3658.00 3781.00]; xgrid = [ 26...

2 years ago | 0

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Answered
Problem 56313. Find Air Temperature from Cricket Stridulation Rate
function y = getTemperature_F(x) y = x+40; end

2 years ago | 0

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how to modify data of a matlab figure?
% open figure once for reference openfig('PMSG1_Q1ter.fig'); % constant to multiply one line's YData by const = 0.98; % op...

2 years ago | 0

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