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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...

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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...

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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...

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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...

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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') ...

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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...

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I want to divide an array up into sections and add each section to its own column in a table.
example = rand(85,48); sections = 6; T = cell2table(mat2cell(example, ones(1,size(example,1)), sections*ones(1,size(example,2)...

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Geoaxes Interactive Drawing Issue
I suspect the code would look like this: %assumes the geoplot already exists function draw_on_geofigure() fig = gcf; set(f...

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I can't open the example on matlab simulink
That example is new as of R2024b. You do not mention which MATLAB release you are using, but there is a significant chance you...

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How to randomly select the datapoints in a vector based on percentage for each group?
Perhaps use randsample n = 4; k = number of samples to generate w = [0.25, 0.30, 0.20, 0.25]; y = randsample(n,k,true,w)

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Assigning vectors to a list of names
It isn't hard. vectors=["name1","name2","name3","name4","name5"]; tname = tempname + ".m"; [fid, msg] = fopen(tname, 'w'); ...

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'parfor' seems to assign jobs of different loopvars to cores beforehand. How may I assign jobs dynamically to speed up calculation?
You can create a parforOptions object specifying RangePartitionMethod "fixed" SubrangeSize 1 and pass that parforOptions object...

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How can you use svd() command on an uint8 matrix?
In order to run svd() on a uint8 matrix, you need to run your own svd() function that handles singular value decomposition on a ...

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My simple work running Genetic Algorithm with simulink doesn't work, with error 'Unable to resolve the name... '.
By default, To Workspace outputs to the base workspace. Your code assumes that out.ITAE is available in the workspace of the fun...

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Why am I keep getting "Unrecognized function or variable 'title'. " and "Variable might be used before it is defined" for dynamic title in app designer
Very likely, at some later point in the code you have an assignment to title . MATLAB "looks forward" and sees the eventual assi...

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"undefined function or variable" errors when using "readgeotable" and "georasterinfo"
readgeotable() did not exist in R2019a; it was introduced in R2021a.

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Is it possible to create script hooks which are run when entering a given folder?
You would have to define your own cd.m that used builtin('cd') first and then detected whether you were in one of the target dir...

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How to assign values to an array with broadcasting
xi1 = x1(index_i); xi2 = x2(index_i); xj1 = x1(index_j); xj2 = x2(index_j); You access x1 and x2 at two di...

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matlab 6.5
Arrays in MATLAB 6.5 used to be the same as arrays in current versions of MATLAB. However, as best I recall, "handle" objects we...

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Error using VideoWriter/writeVideo (line 344) Frame must be 2560 by 1360 - Help
A = getframe(figure(1)); The exact size of the frame returned by getframe() can vary a little. In particular, it can vary acco...

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Why does scatter now return an error
Please show the result of which -all height which -all width You would encounter the RGB error if either height or width are ...

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How do I write to an excel file (xlsx or csv) that is on a shared network drive if another user has it open
The fact that you are using activeX tells us that you are using Windows. The Windows open-file system call accepts a parameter ...

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Put a single legend on a 2D vector plot
figure; L1 = plot(rayon_vect_x, rayon_vect_y,'r--', 'DisplayName','Incident ray'); hold on L2 = plot(rayon_ref_X.', rayon_ref...

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What is the difference between these two commands?
s = size(A) That is a function call with one output. The size() function is defined as first checking the number of outputs, an...

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how to get global optimum with Multistart?
tdata = specific_data(:, 1); Hdata = specific_data(:, 2); HSdata = specific_data(:, 3); tdata is an 11 x 1 column vector fo...

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I want when index increase no. of layers should give inf or button disable to not accept more inputs,thanks
for i=1:L if i > L app.Button.Enable = off; app.firstValEditField.Value= inf; end When you have...

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What is the equivalent most efficient way to tail -n 1 file.csv in matlab
There are a few cases: If there is a maximum line length that the final line is certain not to exceed, and the characters are r...

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How do I keep the target for a specific time period?
You need a different approach. You do not want to pause(0.5) -- you want to wait up to 0.5 for a key press and stop waiting as ...

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which toolbox do I need to run openExample('px4/ActuatorControlUAVCANDroneCANExample','supportingFile','px4ActuatorWrite')?
That example appears to be new as of R2024b.

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Assign a colormap to a geoglobe plot
Any one geoplot3() call results in a single line of constant color. There is no way to have the single line be multiple colors o...

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