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How can show 2D plot of 3 file data analysis and show effect of change ?
S = fileread('ST1.txt'); S = regexprep(S, '\*I', ''); S(1:100) ST1data = cell2mat(textscan(S, '%f %f %f%f')); ST1 = reshap...

1 year ago | 0

Answered
How to remove extraneous Matlab-generated vertical lines that connect function values at jump discontinuities?
MATLAB does not do that. What is happening is that when you use plot() on a finite set of data, then where there are places tha...

1 year ago | 1

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Answered
how to crop a binary mask to remove all black pixels while maintaining the largest area of white pixels?
vertproj = any(YourMask,1); horzproj = any(YourMask,2); minx = find(vertproj,1,'first'); maxx = find(vertproj,1,'last'); min...

1 year ago | 0

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Simulink Mathlab Function Block Output Variable Size Array
Insert totalValue = uint8(0); before totalValue = (y3+2);

1 year ago | 0

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minimizing with genetic algorithm
y = @(x) (1.002)-((1-exp(-0.00003*x))./(0.00003*(x+1.5)+(0.00063*(1-exp(-0.00003*x))))); fplot(y, [-2, 10]) fplot(y, [-1.5 -...

1 year ago | 0

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Can I plot two figures simultaneously but with less data for the second figure?
Well, you can... but it isn't worth the trouble. N1 = 1001; N2 = 20; theta = linspace(0, 2*pi, N1); [~, pi_idx] = min(abs(th...

1 year ago | 0

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Answered
chiral medium in matlab
The internal code looks like if ~isDielectricSubstrate(obj) feed_x = obj.DefaultFeedLocation(1)+ ...

1 year ago | 0

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Install MIDAS Toolbox in Matlab 2024b
Most items installed by the Add-On Explorer do not show up in ver (official MATLAB toolboxes being the exception -- but Support ...

1 year ago | 0

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Answered
Reading Arduino Serial Port into Matlab and 50% of the time getting characters instead of digits.
It is not documented what the return value is if the reading fails, such as if there happens to be non-numeric bytes in the inpu...

1 year ago | 1

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Answered
Will leftover CPU cores (not used by parfor workers) be used for built-in multithreading?
No, left-over cores will not be automatically used. They will be left for the operating system to run (whatever) on. If you wan...

1 year ago | 0

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Answered
Limitations of MATLAB Compiler SDK Free Trial?
Free trials of MATLAB Compiler SDK are 30 days. However, MATLAB Compiler SDK is not available under a Student license. If I re...

1 year ago | 0

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Import data to app during simulation
To Workspace only updates when the simulation pauses or stops. There are no blocks that will update variables in the workspac...

1 year ago | 0

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Answered
How to solve nonlinear equation system with variable inputs?
syms Eta0 i0 syms w [1 3] syms T [1 3] eqn1 = T(2)/T(1) == i0 * power(Eta0, T(1) * (w(1)-w(3))/abs(T(1) * (w(1)-w(3)))); pret...

1 year ago | 0

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too many outputs for ginput - documentation error?
You are not missing anything. The behaviour of returning both X and Y together in one output is undocumented . (It might perha...

1 year ago | 0

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Answered
Daily mean through long time
build a timetable() from the data. Use retime()

1 year ago | 0

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i want to iterate for each crack size from 25 to 250mpa with 25 increments
for S = 25 : 25 : 250 and get rid of the S=S+25 and the test for S==250

1 year ago | 0

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How to Discretize a Polygon boundary in to equally spaced points?
See John D'errico file exchange contribution interparc https://www.mathworks.com/matlabcentral/fileexchange/34874-interparc

1 year ago | 1

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.mat file to bin file
Probably something like filename = 'OUTPUTFILENAMEGOESHERE.bin'; [fid, msg] = fopen(filename, 'w'); if fid < 0; error('Failed...

1 year ago | 1

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USRP X310 support in MATLAB
According to https://www.mathworks.com/help/wireless-testbench/gs/supported-sdr-devices.html the USRP X310 is not compatible wit...

1 year ago | 0

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How to set UDP communication in Matlab applications?
%first application system('matlab -batch SecondApplication() &'); pause(10); u = udpport(); write(u, 1:5, "uint8", "127.0....

1 year ago | 0

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Question related to area trapz
If C1/C approaches 0.9 then it is normal that trapz(t,y)/trapz(t,C) would approach 0.9 Let's say that C1 is 8 and C is 10, the...

1 year ago | 0

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Answered
How to resolve the issue of Y must be a column vector?
IncMdl = fitcensemble(Xinit, Yinit, 'Method', 'Bag', 'Learners', template); The result of fitting with method 'bag' is a Classi...

1 year ago | 0

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Is it possible png to geotiff using mapping toolbox?
Sure. Just use imagefile = [basename '.png']; instead of imagefile = [basename '.jpg'];

1 year ago | 0

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"Too Many Input/Output Arguments" error for nrlmsise00 function
The nrlmsiese00 function at https://www.mathworks.com/matlabcentral/fileexchange/56253-nrlmsise-00-atmosphere-model does not acc...

1 year ago | 1

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Roots of Symbolic Transfer Function
syms s gm1 gmp ro1 rop R2 R1 Cgs Cout Zcgs Zcgd Zcout Z1 Z2 Vinp Vinm Vout1 Vd Vout2 Htf eqn1 = Vout1 == (-gm1*Vinp + gm1*Vin...

1 year ago | 0

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Does upgrading from 2023 to 2024 require a new license key?
Yes, all upgrades to different versions require new license keys. The existing license key covers all releases up to R2023b, bu...

1 year ago | 0

Answered
A composite signal is defined as: x(t) = sin(2*pi*10*t) + sin(2*pi *40*t) + sin(2*pi *60*t) + sin(2*pi *50*t). Separate the four frequencies without using any of the transform techniques.
t = 0:0.001:1; x1 = sin(2*pi*10*t) + sin(2*pi *40*t) + sin(2*pi *60*t) + sin(2*pi *50*t); plot(t, x1) x2 = @(f14) sin(2*pi*f1...

1 year ago | 0

Answered
Conversion to logical from table is not possible
T = regionprops3( BW,'Volume'); regionprops3 always returns a table object. if T==26.67 You are attempting to compare the ta...

1 year ago | 1

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How can Plot in Matlab by exported data in maple?
data = load('ST1.txt'); core = reshape(data(:, 3),100,100).'; subplot(3,1,1) surf(real(core),'edgecolor', 'none') ...

1 year ago | 1

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Answered
Why the squeeze function squeeze 1x3 array to 1x3, but squeeze 1x1x1x3x1 to 3x1?
"because" It was a design choice for the function. It leaves the array alone if ndims is 2 and otherwise removes all of the s...

1 year ago | 1