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expanded matrix wont be bigger than 8 by 8

unique_elements = unique(element); nodemax = numel(unique_elements) nodemax is 8. K_global = zeros(nodemax, nodemax); You in...

5 hours ago | 0

Problem with ploting involving function handle

sym ii That is equivalent to ans = sym('ii'); which creates the symbolic symbol ii but throws away the reference to the sym...

1 day ago | 0

Need help plotting these 'Time-Series Graphs' in the 'Chaotic attractor' for loop

Your first for j = 1:NT and your for mm = 1:Ntrans and your second for j = 1:NT are all building arrays iterativel...

1 day ago | 1

Make persistant changes in executable app by user

You have several possibilities: Use a search strategy to try to find configuration information. For example use the Windows USE...

1 day ago | 0

Error Message: Execution of script builtin as a function is not supported:

This suggests that you have somehow added a builtin.m to your MATLAB path. You will need to track it down and remove it. If you ...

2 days ago | 0

"Invalid text character. Check for unsupported symbol, invisible character, or pasting of non-ASCII characters." My teacher typed 2ˆ6, and she got the answer, but I don't.

Your teacher probably typed 2^6 and you probably typed 2ˆ6 The valid entry is U+005E (unicode 5e) The invalid entry is U+02...

3 days ago | 0

how to convert mat file to dcm file

When you write a DICOM file, you need to set a number of entries in the data dictionary, including SOPClassUID (but several othe...

3 days ago | 1

Not able to use imread on images in subfolders

No, there is no way to get imread() to work on reading subfolders. You should be using roughly SearchPath = uigetdir('C*'); i...

3 days ago | 0

Trying to Differentiate Parametric Equation, Error "Error using diff Difference order N must be a positive integer scalar."

syms R Z e v real You declare v as symbolic v = linspace(0, 2*pi,1000); You overwrite v as numeric.

3 days ago | 0

MATLAB eig function giving different eigenvectors on different computers?

MATLAB Online is running using Linux on X64 CPUs, not Apple Silicon. Apple Silicon uses a different library for the calculatio...

4 days ago | 0

PWM outputs does not seem to work with a Rasberry pi 5.

Raspberry Pi 5 is not currently supported in Simulink; https://www.mathworks.com/hardware-support/raspberry-pi-simulink.html

4 days ago | 0

Unable to extract field 'build_problem' from 'mxArray'.

You are declaring the function build_problem twice in the same scope. You cannot declare class-dependent methods inside a MATLA...

4 days ago | 0

Does mathworks support a linux C complier

R2022a supported GCC 7.x, GCC 8.x, GCC 9.x, and GCC 10.x for Simulink Coder. However, it did not support gfortran 10.x

4 days ago | 0

Matlab Showing Imaginary Numbers as Real

syms B U = 3; N = 4; g = 10 e = [0 1 2 3]; S =solve(U==N*sum(e.*exp(-B.*e))./sum(exp(-B.*e)), B, 'MaxDegree', 3) if imag...

5 days ago | 0

When creating a swarmchart from categorical X and double Y values, is there a way to extract the resulting jittered X values?

ss = struct(s); ss.XYZJittered Note: the default setting for swarmchart is Jitter = 'off'

5 days ago | 2

| accepted

I have put different log in name in mathworks account than that of my OS. How to resolve this?

You re-run the activation process. This time, you need to specify the username the same as the Windows username https://www.math...

5 days ago | 1

Convey binary sting into 2 bits format

11111111111111111111110000011120101111000111100000 (48 bytes) MATLAB is going to treat this as a decimal number, in double pr...

6 days ago | 0

starting vector (zero vector) equals lower bounds but gets projected to non-zero vector

Although the documentation says that lb specifies that x(i) >= lb(i) for all i the implementing code has violatedLowerB...

6 days ago | 0

| accepted

R2024b: When trying to open an M file, I receive the message: Unrecognized function or variable 'uiopen'

Experiment with using restoredefaultpath; rehash toolboxcache If that works then savepath

6 days ago | 0

| accepted

DelaunayTri

As of R2013a you can create a triangulation object, passing in the connectivity and x and y and z data. Unfortunately, you cann...

7 days ago | 0

Why am I recieving the following error "Warning: Failure at t=1.705994e+00. Unable to meet integration tolerances without reducing the step size below the smallest value all"

When you call a function from ode45(), it is strictly necessary that the called function is continuous to its second derivative....

7 days ago | 0

How do I share files with matlab drive?

Open https://drive.mathworks.com Navigate to the directory containing the files you want to share. Right click and select Sha...

7 days ago | 1

Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 3-by-1.

You initialized ImJPG_Sepia as an n by m by 1 matrix.

7 days ago | 0

Fminsearch error: not enough input arguments.

[y_ex,fval]=fminsearch(@(beta,sigma) subjectval(beta,sigma),y0) fminsearch passes a single vector to the object function. You h...

7 days ago | 0

Given the spectrum of a signal x(t) , What is the minimum sample rate that would allow for x[n] to be recoverable?

This is a square wave. The fourier transform of a square wave consists of an infinite series of odd harmonics; https://dsp.stack...

7 days ago | 0

is it possible to perform a nested Batch?

Once you have reached the limit on the number of simultaneous batch jobs, individual batch jobs are not going to suspend themsel...

7 days ago | 0

Find the indices of numbers that occur first

[found, idxV] = ismember(X, V); This will return the idx of elements of X within V; found(K) will be false if X(K) does not mat...

7 days ago | 1

Vertical 3D to Horizontal

Instead of parenting your scatter3() to an axes (even if only by default): Create a hgtransform object that is parented to the ...

7 days ago | 0

How many template of 3D graph exist in Matlab ?

How many template of 3D graph exist in Matlab ? No templates of 3D graphs exist in MATLAB. No templates of 2D graphs exist in ...

7 days ago | 0

how to calculate amount of energy consumption energy cryptography and steganography in matlab?

Accurately measuring energy consumption on a host MATLAB session is very difficult. You need to take into account that the compu...

7 days ago | 0