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Drew Davis

MathWorks

Last seen: 24日 前 |  2014 年からアクティブ

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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ヶ月 前 | 0

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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 ...

3年以上 前 | 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...

3年以上 前 | 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...

3年以上 前 | 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...

3年以上 前 | 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...

4年以上 前 | 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...

5年以上 前 | 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...

5年以上 前 | 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Assuming you are trying to limit the amount of water that can be withdrawn, you can use the 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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 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 ...

9年以上 前 | 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...

9年以上 前 | 0

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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...

9年以上 前 | 0

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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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 0

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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 ...

9年以上 前 | 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...

9年以上 前 | 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>

9年以上 前 | 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...

9年以上 前 | 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>

9年以上 前 | 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...

9年以上 前 | 0

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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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 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...

9年以上 前 | 0

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