Stop automatically showing "data tips"
Include this in the startup.m function: if ~verLessThan('MATLAB','9.7') set(groot, 'defaultAxesCreateFcn', @(ax,~) disable...

7 days ago | 0

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How to call a function, como llamar una funcion
Insert the code into a file called "bissecion.m" and save it to a folder, which is included in the PATH. See: doc addpath Then...

7 days ago | 1

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Creation Machine olfaction (Electronic Nose) Toolbox!
Dear Meisam Vajdi, This is the public Matlab forum mainly supported by voluntary Matlab users. We cannot influence the developm...

7 days ago | 1

Summation with For LOOP (iterations)
K = [56, 0.65, 0.175, 0.055]; Z = [0.5, 0.1, 0.15, 0.25]; fcn = @(x) sum(Z .* (K - 1) ./ (1 + x * (K - 1))) fzero(fcn, 0.5) ...

7 days ago | 0

I can't get my code to run
The error message is clear: "File not found." There is no file called: 'D:\UNI\2021\ERB302 Applied Geophysics\CodeImages\Data...

7 days ago | 0

How can I copy one row to the another row?
A = [5 6 7 8 9 0 1 2 3 4; 5 6 7 8 9 0 1 2 3 4; 5 6 7 8 9 0 1 2 3 4; 5 6 7 8 9 0 1 2 3 4; 5 6 7 8 9 0 1 2...

7 days ago | 0

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Fast implementation of max-plus matrix multiplication
A C-mex version: [EDITED: Check of type double is added] // mp_prod_mex.c // C = mp_prod_mex(A, B) // INPUT: A, B: Real dou...

7 days ago | 2

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Selecting element at same position in a matrix
If you need the indices again, store them in variables: i1 = randi([1, size(VID1, 1)]); i2 = randi([1, size(VID1, 2)]); ID1...

7 days ago | 0

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Transform 3D binary matrix into 2D
Your code overwrites the output for each loop over i=1:lev. An equivalent code without a loop: %seg2 = seg1(:, :, end); What s...

7 days ago | 0

Rewrite Matlab ODE into Python - IndexError: too many indices for array: array is 1-dimensional, but 2 were indexed
The error message tells, that res replied by simVirusSpreading() is a vector, but you try to access it as a matrix with 2 indice...

7 days ago | 0

Error using randi Size inputs must be scalar (Matlab)
"C is the random subset of B of size Ai" : for i = 1:n % Without repetitions: C = B(randperm(numel(B), A(i))); % O...

8 days ago | 0

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Force begin/end slope of trendline scatterplot

8 days ago | 0

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How to take precalculated variables in a function, without defining the variables within said function?
You have defined the function down() with input arguments. Then use them: A = T/(0.5*R*V^2*AR); if(F~= 0); M = F/V; ...

8 days ago | 0

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Matlab doesn't open (it's installed and activated)
If you are running Matlab 2020b, the folder is not called "R2018a", but "R2020b". Insert this in the Windows Explorer's address ...

9 days ago | 0

Terminate while loop when user hits enter
Avoid repeating code: disp('Begin entering the data points') t = 0; while true % Infinite loop x_point = input('ente...

9 days ago | 1

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How to Open a Folder
Maybe you want to open a file inside this folder? function main myPath = fileparts(mfilename('fullpath')); % Folder of ...

9 days ago | 0

how to grab the last value in a loop?
In your first code: seno_m(i,1)= nanmean(sin(Date_wd_daily(B(i):B(i)-1,9))); % ^^^^ ^^^^^...

9 days ago | 0

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Human Neuromechanics, ERROR IN CODE
The failing part of the code: % Jacobian Jacobian = @(q) [-Length_S * sin(q(1,:,:)) - Length_E * sin(q(1,:,:) + q(2,:,:)), ......

9 days ago | 0

Matrix construction over a loop
Maybe you want: for i = 1:length(x) A(i) = a * b / x(i); B(i) = c + A(i) / b; D(i) = a + b; E(i) = 1 - 2 * c; .....

9 days ago | 0

Calculating standard deviation for each year
Do you want: vola2 = splitapply(@(x) std(x, 'omitnan'), stocks.RET, group);

9 days ago | 0

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How to stop MATLAB from opening every time I switch on my computer?
This is not a problem of Matlab, but a feature of the operating system. So this question is actually off-topic. Open the contro...

9 days ago | 1

Change keyboard shortcut for terminate code while running in Mac OS Matlab 2020
The shortcut for stopping the execution is controlled by the operating system. You cannot modify it from inside an application. ...

9 days ago | 0

Storing values in an array from function file called by ode15s solver
The code is very confusing. The relative tolerance of 5.421011e5 is extremely huge. Are you sure that this is meaningful in you...

9 days ago | 0

Calling C++ mex in loop crashes Matlab
There is a time delay between the check of !isWriting and setting isReading = 1. This is a racing condition. Use a thread-safe s...

9 days ago | 0

Making script execution go faster
Avoid scripts but use functions. This can increase the speed substantially, but most of all the clarity and maintanability of th...

9 days ago | 0

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How to access alternate elements from a matrrix?
a = [0 4 5 6 7; ... 0 0 0 0 0] n = size(a, 2); for i = 1:n / 2 k = (i - 1) * 2...

9 days ago | 0

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Why am I getting the error, "Array indices must be positive integers or logical values."
What is "squeeze"? Did you shadow the function by defining it as variable? The left hand side of an assignment cannot be a func...

10 days ago | 0

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Extracting Data from Over 600 .nc Files...
See: FAQ: How to process a sequence of files Folder = 'C:\Your\Data\Folder'; FileList = dir(fullfile(Folder, '*.nc')); for iF...

10 days ago | 1

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How can I take the value from an equation and plug it back into the same equation? (Newton-Raphson)
Replace E = D - F(D)/F'(D) by D = D - F(D)/F'(D) For the 2nd part: You have defined the function with inputs: function [A...

10 days ago | 0