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How its possible do define this function in Matlab?
Your funcion is almost correct. Just change && to & and consider the logical index time in the output. The problem in your case...

11일 전 | 1

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Automatically Run Script at End of Toolbox Installation
I include a function, which runs once the first time the toolbox is called instead. This is "after the installation", but not di...

14일 전 | 1

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when i was plotting i reveived this error, please help me out....
For me it works: fun = @(x) exp(-x) - 3.*x.^2 + 26 fplot(fun,[0 5]) grid on So if this fails for you, you are running anothe...

14일 전 | 1

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How can I vectorize the nested loops in my code to improve performance?
The editor shows you 12 valuable hints already: Letting an array grow iteratively is very expensive. See this example: x = []; ...

14일 전 | 2

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how to solve this MATLAB solve error?
This looks suspicious: "datatype = integer[1]" ?! Maybe there is some preceeding code, which causes problems? At least the show...

15일 전 | 0

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How to get an array of all field elements of a 1xN structure with many fields
Fields = fieldnames(S); for ii= 1:numel(Fields); field = Fields{ii}; [S(:).(field)] end [...] is the horizontal con...

15일 전 | 1

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Time-varying coefficient in ODE.
Which ODE solver do you use? Remember that Matlab's builtin ODE solvers like ODE45 ar designed for smooth functions only. A para...

15일 전 | 0

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Extracting data from a figure
The error message looks like you are opening a .fig file but you do not have the required SizeChangeFcn. Then you can redefine t...

16일 전 | 0

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Error using fzero (line 184) FUN must be a function, a valid character vector expression, or an inline function object. What is the issue here?
v is the variable of the function. You do not have to deine it as a vector. fzero expects a function handle, but f(vi) is a num...

16일 전 | 0

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A Matlab Code is "Attempt to execute SCRIPT ballTrajectoryFun as a function:"
The file ballTrajectoryFun.m is a script, not a function. Functions start with the keyword "function". If they are called from O...

16일 전 | 1

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How do i add a for loop if command to a pre existing table
shop1 = [4,5,3,6,0,5,5,6,4,5]; shop2 = [5,3,1,1,3,5,3,6,3,3]; profit1 = 3 * shop1; profit2 = 4 * shop2; pool = {'Sh...

16일 전 | 0

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divide a vector into two vectors of unequal length
A = [1 2 3 4 5 6]; idx = ceil(numel(A) * 2 / 3); B = A(1:idx) C = A(idx + 1:end)

16일 전 | 2

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Error: array indices must be positive integers
You can use the debugger to find the cause of the problem. Let Matlab stop when the error occurs: dbstop if error Type this in...

17일 전 | 0

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I need to make a function that solves the first derivative of a function using forward finite difference. I've tried creating the function but I encountered an error.
You provide the CHAR vector 'q3func' as input, but you want a handle to the function instead: fd = forwarddiff(@q3func, -2:2, 0...

17일 전 | 0

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How to increase the performance of a cycle for in its use in large matrices?
Why do you calculate the mean of the complete BMEDIA matrix, if you use the output for the element (i,j) only? A = zeros(size(d...

17일 전 | 1

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Help with Matlab function
This homework question contains useful instructions already: "Compute n+1 equidistant points xk , k=0,...,n, between a and b" ...

17일 전 | 0

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Facing problems while compiling several large Mex files
The problem is not the compiler, but hidden in the function mex_compiling in the line 9. It looks like tis function expects the ...

17일 전 | 0

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how to store a double loop result into a matrix column by column?
You are using one counter k for the up and the down lists. cycle1 = [butterworth_filter1,butterworth_filter2]; [m, n] = size(c...

18일 전 | 0

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How to name Array with each of my Arrays in a bulk folder?
Do not hide an index in the name of variables. Although it is piossible to do this using the eval command, it increases the comp...

19일 전 | 1

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Is there a way to retrieve MATLAB busy status from a C# application
The direct solution is to let the Matlab script trigger this: function SetBusyFlag(ScriptName) FlagFile = fullfile(tempdir, 'M...

19일 전 | 0

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Runge-Kutta 4th Order
Start with Matlab's onramp: https://www.mathworks.com/learn/tutorials/matlab-onramp.html This is not a tutorial for an RK4 sol...

20일 전 | 0

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Trying to pass a variable name for a file in a for loop to xlsread
pathname = 'C:\Documents\MATLAB\FileName.xlsx'; This is a fixed CHAR vector and does not consider the variable FileName. Steph...

20일 전 | 0

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Unique value for each sequence of two corresponding variables
A = [ 1 1 1 2 2 1 1 1 3 3 2 2 2 3 3 3]; B = [ 7 7 7 9 9 7 7 7 7 7 9 9 9 7 7 7]; [Aa, iA] = unique(A, 'first'); Bb = B(iA); ...

20일 전 | 0

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Built-in "filter" function works drastically faster in Matlab than in generated C code
That filter becomes the bottleneck can have two reasons: filter is processed less efficiently in the generated C code. The eff...

23일 전 | 0

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MATLAB Hardware Key Licensing
You can install and activate Matlab on an offline machine without any net connection from this computer. You need another comput...

23일 전 | 0

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mex error for path names with spaces
Try this: mex('<my script>', '-I"C:\Program Files\MySQL\MySQL Server 8.0\include\"', ... '-L"C:\Program Files\MySQL\MySQL ...

23일 전 | 3

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two 3*3 matrix multiplication using for loop in matlab.
If you search in the net or in this forum, you find: https://www.mathworks.com/matlabcentral/answers/154803-how-to-multiply-mat...

23일 전 | 0

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Indexing through a cell array
A bold try: day = 1:7; pop = [1,2,3,3,3,4,6]; age_list = cell(1, numel(day)); age_list{1} = 1; % Is this given?! for k = 2...

24일 전 | 0

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smoothdata function not working for matrix . any one have ideas to what is going on?
It works fine in the current online version: a = rand(20, 22) + (0:21); b = smoothdata(a); plot(a, '--') hold('on'); plot(b...

24일 전 | 0

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is an image a 2d grid or a cube
This is a question of taste. It depends on what you want to consider as elements of the array. An image is a 2D object containi...

24일 전 | 1

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