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Michael


Northern Arizona University

Last seen: 3 jours il y a |  Actif depuis 2013

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MATLAB

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Using mobiledev to acquire sensor data with MATLAB Grader
I am building a new introduction to programming university class and have plans to allow students to collect data with their mob...

2 mois il y a | 2 réponses | 0

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Current Directory for Generated Code
pwd is now supported for code generation for R2023b.

12 mois il y a | 2

Question


Get UTC Time in Generated Code
I need to get UTC time down to miliseconds at least (i.e. 1692039433503685.321 seconds) in a piece of generated code C++ code. U...

environ un an il y a | 1 réponse | 1

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Question


Read/Write CSV for Code Generation
Is there a good way to read and/or write CSV files that is supported for code generation. I'd rather not write my own function b...

plus d'un an il y a | 2 réponses | 0

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réponses

Question


Pause of Fractional Seconds in Generated Code
The help file for pause.m says the following in the notes about Code Generation: The generated code truncates pause del...

plus d'un an il y a | 1 réponse | 0

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Remote ROS2 Coder Deployment: 'libmwnetworkdevice.dyld does not exist'
I upgraded to R2023a prerelease, and this issue resolved. This may have been a bug in R2022b...

plus d'un an il y a | 0

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Remote ROS2 Coder Deployment: 'libmwnetworkdevice.dyld does not exist'
I am trying to set up a remote deployment of a ROS2 Node to my Linux machine from my Mac, where I am doing my development. I had...

plus d'un an il y a | 1 réponse | 0

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Question


Code Generation Support for Calling Executable?
Is there a way that I can call an executable that is supported for code generation? I know about the shell escape (!) and system...

plus d'un an il y a | 1 réponse | 0

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Question


Tunable IP Port for dsp.udpsender in generated code
I have an application where I need to serve data over some number UDP ports (not known at compile time) and want to developed an...

plus d'un an il y a | 1 réponse | 0

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Question


ROS2 Subscriber Callback Function Arguments for Code Generation
I need to pass additional variables to my ROS2 subscriber callback function. I am trying to follow the help file explicity, whic...

presque 2 ans il y a | 1 réponse | 0

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Question


ROS2 Message Received Callback for Code Generation
The Question I'm trying to receive messages on a ROS2 network and exectute a callback function when messages are received. I ne...

presque 2 ans il y a | 1 réponse | 0

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Question


Using coder.ceval to getcwd()
I am trying to get the current working directory in generated C++ code. I think it is possible using coder.ceval() by calling th...

presque 2 ans il y a | 1 réponse | 0

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mean square error (MSE) between two graphs
Interp them so they are on the same grid and then do the regulare MSE calc? xLED_vermelho_K_INTERP = interp1(ss,xLED_vermelho_...

presque 2 ans il y a | 0

Question


Coder RuntimeChecks Error Line Numbers
If I turn on RuntimeChecks in my coder config for C or C++ code generation (cfg.RuntimeChecks = true; codegen my_function -args ...

presque 2 ans il y a | 1 réponse | 0

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Question


ros2genmsg Error when updating to R2022b
I was able to generate/use custom ROS2 messages with R2022a, but I just upgraded to 2022b and I am not getting an error when I ...

presque 2 ans il y a | 1 réponse | 0

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Question


Coder ROS2 Build Error (colcon) with Custom ROS2 Message
I have a custom ROS2 message that am integrating into a Matlab function that is getting deployed on a remote Linux maching using...

presque 2 ans il y a | 1 réponse | 0

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Changing plot line colour with multiple data sets
Create a color map and then give each one a distinct color. figure; thecolors = parula(9); for i = 1:9 plot(rand(5,1),r...

environ 2 ans il y a | 0

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How to write an if-else statement for a function
if n>1 f = sqrt(1 + f(n-1)); elseif n == 1 f=2; else f = NaN; end

environ 2 ans il y a | 0

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How can i make an Audio File loop continuously?
Have you read this article? <https://www.mathworks.com/help/audio/gs/real-time-audio-in-matlab.html Real-Time Audio in MATLAB> ...

environ 2 ans il y a | 0

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Why do I receive this error while using a MATLAB help example?
This ran fine on my machine. See below. What version of Matlab are you using? Maybe an older version that doesn't support struct...

environ 2 ans il y a | 1

Question


Code Generation Handle Object Not Defined for All Execution Paths
I have a problem where I am using a custom handle class that is allocated within an infinite while loop. At the end of each iter...

environ 2 ans il y a | 1 réponse | 0

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Convert striaght lines to smooth curves
It looks like your sample rate was too low. I'd recollect the data at a higher sample rate. You could try doing a cubic spline...

environ 2 ans il y a | 1

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I need help with Matlab - FFT - getting pairs of peaks-freq in array - urgently need help
I think you need to specify the x locations (frequency in your case) in the findpeaks function, otherwise it just gives you the ...

environ 2 ans il y a | 0

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Question


Best Ways to Save Objects with Coder Support
I have a couple of custom classes I've made for my project and I am using Coder to run my code as an executable. I am processing...

environ 2 ans il y a | 1 réponse | 0

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Question


Typecast a hex string to single
I have strings of hex values that I need to typecast to single precision values. I don't actually care about the actual single p...

environ 2 ans il y a | 1 réponse | 0

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undefined function error for builtin toolbox function
Did you install that toolbox when you installed Matlab? If not, run the 2021b installer again and only select the Image Processi...

environ 2 ans il y a | 0

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When I try to generate C++ code for generalizedInverseKinematics I get the following error Dimension 2 is fixed on the left-hand side but varies on the right ([1 x 8] ~= [1 x
@Aravindh Deiva G, I looks like you are trying to save the output of the validatestring function over the entries in value,...

environ 2 ans il y a | 0

Question


Deploying ROS2 Node with Custom Messages
I have Matlab code that includes a ROS2 node/publisher. I want to publish custom messages. This works when I run it natively in ...

environ 2 ans il y a | 2 réponses | 0

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réponses

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Find matching small matrix in larger matrix
An admittedly brute force approach, but Matlab doesn't have a built in method for finding patterns in an array/matrix (at least ...

environ 2 ans il y a | 0

| A accepté

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Vectorize comparing a column vector in a matrix to all other vectors in the matrix.
You can use repmat.m to make a matrix of the same size. a = A.a - repmat(A.a(:,1),1,size(A.a,2)) b = A.b - repmat(A.b(:,1),1,s...

environ 2 ans il y a | 0

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