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Why does fprintf attach a negative sign to a zero?
fprintf('%g %g\n', 0, -0) Negative zero is represented differently than non-negative zero, This is because it is mathematically...

2개월 전 | 0

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go back to previous if condition from an elseif in for loop
You have received some good answers already, but I wanted to show you how to do what you actually asked for. opt = [1 2 3 1]; ...

2개월 전 | 1

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Error getting in.
If you changed your Windows username, then you are probably receiving an Error 9, unauthorized user. By far the simplest way to...

2개월 전 | 0

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using knob to adjust audio frequency
Use uiknob with the 'ValueChangedFcn' option to call a callback function that stores the new frequency. Beyond that will depend...

2개월 전 | 0

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Is it possible to perform real-time low-pass filtering on the data received from the USRP X310 in Matlab
Any data you receive from the USRP will be packetized and will suffer from variable time delay. It is not possible to perform re...

2개월 전 | 0

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How to enable old style of 'figure'
There is no way to enable the old style of figures. The closest you can get is to set WindowStyle = 'normal' on the figure(), t...

2개월 전 | 0

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how can i expose an AC electrical out of subsystem
Instructions for adding output ports to subsystems are given https://www.mathworks.com/help/simulink/ug/connect-subsystems.html ...

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How to build now that Specialized Power Systems library is GONE
Specialized Power Systems was restored as of R2025b Release 1. Use sps_lib to bring up the library browser. However, SPS will b...

2개월 전 | 0

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How do I import an audio file into simulink?
As a pre-processing step in MATLAB, use audioread to read the audio into the workspace and fetch the sample rate. Then, if neces...

2개월 전 | 0

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subplot automatically fill in next position for selection of plots in for loop
subplot(2,4,state-4)

2개월 전 | 0

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Make command line returns appear on separate lines, not one semi-colon-delimited line
if ispc() Delim = ';'; else Delim = ':'; end Temp = regexp(genpath(pwd), Delim, 'split'); if isempty(Temp{end}) Temp(end) = []...

2개월 전 | 1

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Transpose Matrix in Simulink 2020a
If it must be done through a script, then use an Interpreted Function Block https://www.mathworks.com/help/simulink/slref/interp...

3개월 전 | 0

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How to implement interpolation using Prelookup using a MATLAB function?
Convert your 4D data into a 3D array together with an (1201*26*37) x 384 array. The 3D array values should be column indices in...

3개월 전 | 0

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Make Serial Communication run in differnt thread from Matlab GUI
Use https://www.mathworks.com/help/matlab/ref/serialport.configurecallback.html When callbacks are enabled, serial port data i...

3개월 전 | 0

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Using symbolic syms inside a Simulink Function — Error: Symbolic not allowed
You cannot mix symbolic variables and Control System Toolbox or Simulink Control Design https://www.mathworks.com/help/slcontrol...

3개월 전 | 1

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i have "Error in state of SceneNode. String scalar or character vector must have valid interpreter" Please help me to solve it T-T
The TeX interpreter does not support any of the trig functions. https://www.mathworks.com/help/matlab/ref/text.html#f68-481090...

3개월 전 | 0

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transmission time of reading the first 200 lines of a large .csv file using datastore from AMZ S3 to a local computer
I suspect that more than 200 lines are being examined automatically in order to deduce the format of the data. If, for example, ...

3개월 전 | 0

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Solve system of equations
Examine the second and third equations. The terms - B4*a0 - B2 are the same between the two of them, so you can subtract the two...

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How to use MATLAB UAV Toolbox
If you have a Student or Student Suite license, then you can purchase the UAV toolbox. For most people you can use https://www.m...

3개월 전 | 1

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Using logic to select specific values in a matrix
A = SmallerSample assuming that A is a table idnt = A(:,1) == 1 ; () subscripting of a table yields a table. == has, somewha...

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Integer conversion without precision loss for literal function inputs
Does anyone know if there is a trick to get this functionality There is no way of doing that. Any way of doing that would have...

3개월 전 | 2

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Is there a contourc equivalent for contourm?
You can make the contourm() call within a Process based parallel pool (such as using parfeval()). This has notable overhead......

3개월 전 | 0

Discussion


cody comment voting idea
In https://www.mathworks.com/matlabcentral/answers/38165-how-to-remove-decimal#comment_3345149 @Luisa asks, @Cody Team, how can...

3개월 전 | 0

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Does Symbolic Math Toolbox Formally Support Function Composition?
This is not legal: syms f(x) g(x) h(f, g) = f + g

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no correct reaction time or button press possible
Using tic/toc will not accurately measure reaction time. I would recommend that you use methods from the third-party Psychtoolb...

3개월 전 | 0

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Table with multiple types
PType = 'R'; PData = uint32(391); app.LicksTable.Data = [PType,PData] app.LicksTable.Data The [] operation between a char an...

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In R2024b, handles(33) throws an error. In R2023b in returns a structure if there is a figure 33. Is there a workaround in R2024b?
try figExists = isempty(fields(handle(33))); catch ME figExists = false; end It turns out that uifigure() can have a...

3개월 전 | 0

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Can someone open this example?
I can open it in R2024b on MacOS Intel (with 'help' configured for 'web' rather than installed locally) I can open it in R2025a...

3개월 전 | 0

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Error using assignin in a nested m function
testit() function testit inner() function inner syms q end end When you have nested functions, the wo...

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MathWorks Licensing Error 83 Your license server is not configured for this release of MATLAB. We already have the license.dat for R2025b_Update_1
You need lmgrd 11.19.7 https://www.mathworks.com/support/install/license_manager_files.html

3개월 전 | 2

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