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Whis my root locus plot showing me a blank figure?
It works here and in MATLAB Online for me -- sys = tf([2 5 1],[1 2 3]); rlocus(sys) The problem may be your browser. Try ...

約1年前 | 0

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Range FFT Magnitude Too High – Help Needed to Get Proper Y-Axis Magnitude
@A -- With respect to your earlier Comment, a FIR filter is not the best choice if you need only one filter. I would suggest ...

約1年前 | 0

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Is it possible to add a secondary y axis while using the stackedplot function?
Apparently not. Any provision for creating a second y-axis is apparently not available, even when attempting to 'force' it (t...

約1年前 | 0

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curve fitting toolbox is showing installed but when i try to use in my apps pane it display 'no apps installed'. i dont know what to do please help.
First, run these from a script or your Command Window: restoredefaultpath rehash toolboxcache If that does not solve your ...

約1年前 | 0

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Difference between integral and cumtrapz.
They produce the same result if you let them. Try something like this -- x = [-10:0.01:10]'; fx = @(x) x.^2; for k = 1:nu...

約1年前 | 0

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Error "Array indices must be positive integers or logical values" occurs at the line [row1, col1, s1] = ind2sub(size(chi_coeff), idx1);
My guess is that you have a variable names 'size' and that is throwing the error. Run this to test that hypothesis: which s...

約1年前 | 2

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Title issues when plotting
Create everything as a string array -- InputSheet = "Plate #1"; Grain{1} = 42 degsign = string(char(176)); n = 1; T_oQlast...

約1年前 | 0

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What is the cause of strange "spike" artifacts after IFFT?
The signals are approximately the same lengths in time, however 'Zoom1' has a significantly higher sampling frequency than 'Zoom...

約1年前 | 0

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Please help me to run the surface figure from the attached code
The error is because you are missing a multiplication operator dy(2) = (((rhot/mut)*(a*(muf/rhof)^0.5*(E*F+E^2)+a*(muf/rhof)*w*...

約1年前 | 0

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No results from calculations in the command window
I am not certain that I fully understasnd your problem. MATLAB functions have their own workspaces, so variables local to the...

約1年前 | 0

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tfest() failed with higher order
One way to estimate the system order with reasonably accuracy from the output signal itself is to calculate the Fourier transfor...

約1年前 | 1

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Plotting Set of Inequalities
It is difficulf for me to interpret what you want to plot. One way to 'include' an area of inequality in a plot is to use the...

約1年前 | 0

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Matlab freezes on startup
That it opens dos.m in the Editor and then freezes could indicate that your startup.m file is telling it to open that file in th...

約1年前 | 1

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How do I turn off the LaTeX interpreter per line in my title within MATLAB?
Probably the easiest way to do what you want would be to 'escape' the underscore lines using backslashes (\) -- figure title([...

約1年前 | 0

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Change width of 2 colorbars in tiledlayout
I am not certain whst result you want. This seems to work -- img_sos = rand(64); img_oar_pixel = rand(64); img_oar_block ...

約1年前 | 0

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How to extract ridges from Time-Frequency transform?
It would help to have your signal. One option could be pspectrum with the 'spectrogram' option. Plot it as a surface, then...

約1年前 | 0

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Calculate the Standard Deviation based on multiple conditions
It would definitely help to have the data, or at lest a representative sample of it. One option would be to use the function, ...

約1年前 | 0

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compiled matlab script where incorrect variables are passing
The '49' is the ASCII code for '1' -- Q = double('1') Mystery solved! You may need to change parts of your code, or perhap...

約1年前 | 0

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How to project a line on a surface?
Perhaps something like this using the scatteredInterpolant function -- x = linspace(-3, 3); y = linspace(-4, 4); [X,Y] = ndg...

約1年前 | 1

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How to write a timetable to excel with rowtimes as dates without times?
That is likely a problem with Excel. MATLAB writes the timetable correctly -- m = (1:3)'; dates = datetime(2025,m,15) tt ...

約1年前 | 0

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Time-domain response from FRF shows unexpected growth (damped system)
I can make it work by using conj on the first half of 'displ_2' and concatenating that with the original 'displ' vector. Try ...

約1年前 | 1

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Error in step size and i dont know why. I need help..... please.
The warning simply means that ode113 has encountered a singluarity in one of your differential equations. It is not obvious to ...

約1年前 | 0

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Blurry and hazy lines in matlab plots.
One option could be to upgrade to 24.04. (I have not had problems similar to the ones you are reporting using 24.04, although m...

約1年前 | 0

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How to fill in the area under the curve
Perhaps something like this -- clc clear all; x=[0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.1...

約1年前 | 0

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How i crop the image using image processing?
Your data are not easy to work with, and the scribe line yu added does not help! I needed to get into other plot types and do...

1年以上前 | 0

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Cannot install Matlab 2006b on my Windows 11 laptop
See System Requirements - Release 2006b That should tell you all you need to know about the reasons that will likely never wor...

1年以上前 | 1

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Using sgolayfilt in derivative analysis of absorption images
The sgolayfilt function is used in signal processing of one-dimensional signals, not image processing of two-dimensional arrays....

1年以上前 | 0

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I am trying to fill in the area between these two curves.
Perhaps something like this -- clc clear all Duty = [0 2112798.41 4225596.82 6338395.22 8451193.63 ...

1年以上前 | 0

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How show direction of line inside plot and ?
I am not certain what you want. My best guess is that you want smaller arrows in the last two figures. The fifth argument to q...

1年以上前 | 1

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Installing MATLAB 2025a in Ubuntu 22.04
I run the MATLAB Installer. This usually works, however it will first stop when it cannot create the installation directory. Y...

1年以上前 | 1