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Drew Davis

MathWorks

Last seen: 28 giorni fa |  Attivo dal 2014

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Risposto
PPO with CNN layer
The problem here is that the sequenceInputLayer aligns its size input with the “C” dimension. Therefore, when you specify the in...

5 mesi fa | 0

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Risposto
Reinforcement Learning with Parallel Computing
As of R2021a, the RL Toolbox does not support parallel training with RNN networks. You can still reuse your current experience ...

oltre 3 anni fa | 0

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Deployment of a RL Agent
Hi Matthew The RL toolbox has a feature: generatePolicyFunction - which will generate a static MATLAB policy function from an R...

oltre 3 anni fa | 0

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Accelerator in MATLAB Reinforcement Learning Toolbox
The acceleration features of the DL Toolbox support packages (e.g. Jetson CPU support for Simulink Coder) will accelerate predic...

oltre 3 anni fa | 0

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States of the system and linearization
Simulink control design's linearize command will pretty much recognize states for all of Simulink's built-in block types/Simscap...

oltre 3 anni fa | 1

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Internal problem happened during training DDPGagent
By default the Simulink environment leverages Simulink fast-restart feature. Some work needs to be done to ensure that the S-fun...

oltre 4 anni fa | 1

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How to solve "Invalid input argument type or size such as observation, reward, isdone or loggedSignals." error? (Reinforcement Learning Toolbox)
In your reset function and step function change: LoggedSignal.State = {[Blocks];[Bintable]}; to LoggedSignal.State = {[Blocks...

oltre 5 anni fa | 0

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Noise parameters in Reinforcement learning DDPG
Hi Surya It is fairly common to have Variance*sqrt(SampleTime) somewhere between 1 and 10% of your action range for Ornstein Uh...

oltre 5 anni fa | 3

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How to create a storage tank with a "runoff limit" simulink?
Assuming you are trying to limit the amount of water that can be withdrawn, you can use the <http://www.mathworks.com/help/simul...

oltre 9 anni fa | 0

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Converting Matlab 6.5 Level 2 S-Function to Matlab 2014b
The rtw/c/lib and rtw/c/libsrc directories have been removed since the R2008b installation therefore if you are including the h...

oltre 9 anni fa | 0

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Is it possible to have a vector input to a Simulink if-statement block?
You can only apply scalars to the if port of action subsystems. Consider your example where you test: out1_of_if_block = u1...

oltre 9 anni fa | 1

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Adjusting Transmission Power for QAM
If the amplitude of a symbol is |Si| then the power is proportional to the distance from the origin to the constellation point ...

oltre 9 anni fa | 0

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How to avoid temporary variables when using a global signal/data store
Check out this <http://www.mathworks.com/help/releases/R2015a/rtw/ug/minimizing-computations-and-storage-for-intermediate-result...

oltre 9 anni fa | 0

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Risposto
How can I handle a square wave input in a MATLAB function block?
Assuming you are using the <http://www.mathworks.com/help/simulink/slref/pulsegenerator.html pulse generator>, the default outpu...

oltre 9 anni fa | 0

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Risposto
I need to find the destinations of a particular signal on a bus, I've downloaded myTraceSignal from FileExchange but still need help.
This should be a good place to start: l1 = find_system(bdroot , 'FindAll' , 'on' , 'type' , 'line' , 'Name' , '<my_line_name...

oltre 9 anni fa | 0

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The Algebraic Constraint block works in my continuous model but not in my discrete, why?
When using the algebraic constraint block you are introducing an algebraic loop into your model. The Simulink algebraic loop sol...

oltre 9 anni fa | 0

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function alternatives in simulink
a) according to the documentation, if your images are stored as double arrays, you can use: abs(img1 - img2) instead of 'imab...

oltre 9 anni fa | 0

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Risposto
Generating delays of the order of nano-seconds in MATLAB simulink
Sounds like you can do this with a <http://www.mathworks.com/help/simulink/slref/ratetransition.html rate transition block> and ...

oltre 9 anni fa | 0

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Image will not stay as icons in block library
See this <http://www.mathworks.com/matlabcentral/answers/95329-why-does-the-icon-for-my-masked-subsystem-display-the-string-in-s...

oltre 9 anni fa | 0

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How can I feed a time schedule to appliances while using AC voltage source?
Use the <http://www.mathworks.com/help/physmod/simscape/ref/simulinkpsconverter.html "S to PS" block>

oltre 9 anni fa | 0

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Arduino Uno with Motor Shield rev 3 GUI
See this <http://www.mathworks.com/help/supportpkg/arduinoio/examples/control-motors-using-adafruit-motor-shield-v2.html example...

oltre 9 anni fa | 0

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M/M/∞ queue problem in matlab code
See this <http://www.mathworks.com/help/simevents/examples/m-m-1-queuing-system.html example>

oltre 9 anni fa | 0

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update diagram (ctrl-D) fails due to missing bus signal, but the Bus Selector GUI finds the signal in the bus
See this <http://www.mathworks.com/matlabcentral/answers/99667-why-do-i-receive-an-error-message-on-bus-signals-when-initializin...

oltre 9 anni fa | 0

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Risposto
Error: No. of variables exceed no. of equations (how to count variables)
It appears you are missing equations for the "M1" and "M2" variables. See this <http://www.mathworks.com/help/physmod/simscape/l...

oltre 9 anni fa | 0

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Why am I getting an I/O error when trying to upload Polyspace results to Polyspace Metrics?
Make sure the settings for the server configuration are properly configured <http://www.mathworks.com/help/polyspace_ada/poly...

oltre 9 anni fa | 0

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Calculating the spectrum of Radially progressing sine wave(like a ripple) using fft2
Your code was not attached. Please see the documentation for <http://www.mathworks.com/help/matlab/ref/fft2.html fft2> and <http...

oltre 9 anni fa | 0

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Can the Error for "Potential conflicting usages of identifier" be turned off?
See this <http://www.mathworks.com/matlabcentral/answers/196528-why-do-i-get-an-error-when-using-the-same-get-or-set-functions-f...

oltre 9 anni fa | 0

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I want to run a simulink model not in time but in distance domain.
Simulink simulated dynamic systems, therefore it runs in the time domain. In this <http://www.mathworks.com/matlabcentral/fileex...

oltre 9 anni fa | 0

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Unexpected Response when Welding Two Beams created in SimMechanics
According to the <http://www.mathworks.com/help/physmod/sm/mech/ref/weld.html documentation> you can only connect a weld joint b...

oltre 9 anni fa | 0

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Trimming simulink models using findop/linear analysis tool
To determine the steady-state control input, you must ensure that your root level model has an input port feeding as an input in...

oltre 9 anni fa | 0

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