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sym to double data type:
Your coeffiecients are symbolic. You should use syms x Y_poly = matlabFunction(a4*x.^4 + a3*x.^3 + a2*x.^2 + a1*x + a0);

17 Tage vor | 0

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Cannot compile app with Segment Anything Model SAM due to license?
Limitations This function does not support parfor loops, as its performance is already optimized. (since R2023a) Thus, it ha...

17 Tage vor | 0

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using command readcell to read specific structure
A = readcell('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1752014/19510131163900.txt') B = readcell('https:/...

18 Tage vor | 0

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Vertcat tables with structure variables with different fieldnames
Use Var{1,3} = item(j,3); so that the third variable is a cell containing structures, instead of trying to concatenate str...

18 Tage vor | 1

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trying to follow the convert-to-spiking example. load("DigitsDataTrain") does not work. I can't find a DOWNLOAD for this .mat file either. John
That example needs R2023b or later.

18 Tage vor | 0

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Obtain information after text pattern
S = fileread('CrPS4.mat'); parts = regexp(S, '(?<=damping-constant\s+=\s+)\S+', 'match'); parts_numeric = str2double(parts) ...

19 Tage vor | 0

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Writing data Dynamically in to .mat file using c++ - Append data to existing mat file
Your only hope is if MATLAB happens to export the matfile API as a library. In that case, provided you are using a -v7.3 .mat fi...

19 Tage vor | 0

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How to use a 4d variable achieved from a function as a property in matlab app designer?
slice() is not able to slice 4D data. You are taking sum(app.N1,4) to reduce the data to 3D, but you are still attempting to li...

19 Tage vor | 0

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Error : Failure in initial user-supplied nonlinear constraint function evaluation.
assigned_node = find(A(sb, :, v), 1); covering_uav = find(zeta_m_n(v, :), 1); ...

19 Tage vor | 0

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Can't connect branch with block in simulink
The Current Measurement block https://www.mathworks.com/help/sps/powersys/ref/currentmeasurement.html is from Simulink Electrica...

19 Tage vor | 0

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Matlab Runtime (mcr) new features
Each version of MATLAB Runtime adjusts to match the changes in MATLAB itself. So the list of changes in MATLAB Runtime is nearly...

19 Tage vor | 0

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Facing license Issues while running a function from Communication Toolbox.
Signal_Blocks is the DSP System Toolbox You can use the command ver to find out which toolboxes you have installed. Finding ou...

19 Tage vor | 0

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Error in boxchart (invalid parameter/value pair arguments)
anovan returns a vector of p values, not an anova object. Your syntax would have been okay if you had called anova

19 Tage vor | 0

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Is it possible to have a string constant (output datatype: string) generated in UTF-8?
No, you cannot do this. Strings are exported as plain C / C++ character vectors, and plain C / C++ character vectors are 8 bit c...

20 Tage vor | 1

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Beantwortet
genetic algorithm code for solving traveling salesman problem
Several people have posted the code in MATLAB Answers in the past. Search for it.

21 Tage vor | 0

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variables not being saved?
lumine(q) That call executes lumine with parameter q. Then it assigns the first output to a variable named ans and displays the...

21 Tage vor | 0

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Error with find Function in MATLAB: "Incorrect number or types of inputs or outputs"
find() is not a supported operation on optimization variables. https://www.mathworks.com/help/optim/ug/supported-operations-on-...

22 Tage vor | 0

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convert mat file to excel
You cannot generally convert .mat file to excel. You can potentially convert to excel under the special case that the .mat file...

22 Tage vor | 0

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Beantwortet
Lorenz Attractor Animation with Frame-by-Frame Plotting
% Parameters sigma = 10; rho = 28; beta = 8/3; % Time span tspan = [0 50]; % Adjusted for smooth animation % Initial ...

22 Tage vor | 0

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Setting up communication via USB device with instrument
USB devices respond to hardware queries by listing a series of "endpoints". Each "endpoint" corresponds to a different behaviour...

23 Tage vor | 0

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Custom datastore - why can't I just have a datastore with doubles?
Use arrayDatastore (since R2020b)

24 Tage vor | 1

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How to find the roots of a non-polynomial equation in terms of symbolic variables ?
The Symbolic toolbox is not able to solve such equations. syms a A B K L real D = [cosh(K*L)-cos(K*L), sinh(K*L)-sin(K*L); sin...

24 Tage vor | 0

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Always Error is seen
Most likely, you are using surf() or contour() and the complaint is that Z is not at least a 2 x 2 matrix. The most common caus...

25 Tage vor | 0

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Why is matlab creating multiple figures
You are calling figure() within your while loop, so each time you create a new figure. You should probably be calling figure() ...

25 Tage vor | 0

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how to open .mhd file
See read_mhd() from https://www.mathworks.com/matlabcentral/fileexchange/47457-simple-viewer-3d or read_mhd() from https://www...

25 Tage vor | 0

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Size of the left side different from the right side
for i=1:108 if isempty(SPAnsVector(1,i))==0 PersonalSPQ(1,j)=i; PersonalSPAns(1,j)=SPAnsVector(1,i); because...

25 Tage vor | 0

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find best fit ellipse to a set of data points
https://www.mathworks.com/matlabcentral/answers/98522-how-do-i-fit-an-ellipse-to-my-data-in-matlab https://www.mathworks.com/m...

25 Tage vor | 2

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append (not strcat) to combine strings with whitespace (\n)
app.DebugField.Value = append(app.DebugField.Value, "rew LB" + newline);

25 Tage vor | 0

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How to change xlim to specific range only?
how to change xlim to specific to 0 :3:9 ylim to 30:30:300 That is not possible. xlim() expects to be passed a limit method (s...

25 Tage vor | 0

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how can I compute MI (mutual information) for two time series?
https://www.mathworks.com/matlabcentral/fileexchange/13289-fast-mutual-information-of-two-images-or-signals https://www.mathwo...

25 Tage vor | 0

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