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Drew Davis

MathWorks

Last seen: 28 days 前 |  自 2014 起处于活动状态

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已回答
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 months 前 | 0

| 已接受

已回答
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 years 前 | 0

已回答
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 years 前 | 0

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已回答
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 years 前 | 0

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已回答
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 years 前 | 1

| 已接受

已回答
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 years 前 | 1

| 已接受

已回答
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 years 前 | 0

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已回答
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 years 前 | 3

| 已接受

已回答
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Assuming you are trying to limit the amount of water that can be withdrawn, you can use the 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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 1

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

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已回答
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 years 前 | 0

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已回答
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 years 前 | 0

| 已接受

已回答
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 years 前 | 0

已回答
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 years 前 | 0

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

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

9 years 前 | 0

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已回答
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 years 前 | 0

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已回答
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 years 前 | 0

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

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已回答
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 years 前 | 0

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

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