MPC | Neural Network Dynamics for Model-Based Deep Reinforcement | Reinforcement Learning library
kandi X-RAY | MPC Summary
kandi X-RAY | MPC Summary
Neural Network Dynamics for Model-Based Deep Reinforcement Learning with Model-Free Fine-Tuning
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Top functions reviewed by kandi - BETA
- Train the model
- Generate a sample of paths
- Train the model
- Dump the contents of the log file
- Compute the normalization of the data
- Configure output directory
- Log a value to the table
- Colorize a string
- Calculate the cost function for the given function
- Calculate the cost function for a given path
- Returns the action corresponding to the given state
- Predict given states and actions
- Perform a step
- Return the observation positions
- Reset the model
- Returns a sample from the action space
MPC Key Features
MPC Examples and Code Snippets
Community Discussions
Trending Discussions on MPC
QUESTION
I am learning C programming from "Learn c the hard way by Zed Shaw". He asks the learner to try and break their own code.
So I tried the following C code and thought printing more values that I gave argv will break it but it did not until later.
...ANSWER
Answered 2021-May-30 at 09:48A segmentation fault happens when the code try to access a memory region that is not available.
Accessing an array out of bounds doesn't means that the memory before or after the area occupied by the array is not available: The compiler or the runtime usually put all varibales or data in general in a given block of memory. If your array is the last item of such a memory block, the accessing it with a to big index will produce a Segmentaion Fault but is the array is in the middle of the memory block, you will just access memory used for other data, giving unexpected result and undefined behavior.
If the array (In may example, but valid for anything) is written, accessing available memory will not produce a segmentation fault but will overwrite something else. It may produce unexpected results or crash or segmentation fault later! This kind of bug is frequently very difficult to find because the unexpected result/behavior looks completely independent of the root cause.
QUESTION
I can't install Onboard-SDK on my raspberry PI. What I should do? I used instruction from and was blocked during use cmake ..: https://developer.dji.com/onboard-sdk/documentation/quickstart/development-environment.html
pi@raspberrypi:~/Onboard-SDK/build $ lsb_release -a
...ANSWER
Answered 2021-May-03 at 08:45The error message is pretty clear
Cannot Find FFMPEG
You can install it via sudo apt install ffmpeg libavcodec-dev libavformat-dev libavfilter-dev
QUESTION
I'm working on a graph using R for one of my economics classes, and I want to fill out an area of the graph to represent the deadweight loss.
Below is the code I've used to make the graph:
...ANSWER
Answered 2021-May-02 at 09:34Obviously, a triangle is a specific polygon (rather than a rectangle) ;)
You can define a dataframe with the coordinates. I do this inside the geom call. However, from a coding perspective you may want to do this outside. As a side note: you could use this external dataframe to define the points in one geom_point()
call as well.
QUESTION
I'm new to MIT Drake
, I was using CasADi (ipopt)
for a mecanum wheeled model for MPC
.
In CasADi
, I can create a symbolic variable for the optimization parameters (i.e., initial state and target state).
Then use it to compute the error in state, how can I get an equivalent functionality in Drake
?
ANSWER
Answered 2021-Apr-10 at 15:52I've definitely seen mechanum wheels work in drake, but doing trajectory optimization for them requires some thought. For most every wheeled robot trajectory optimization, you want to use a minimal coordinates model. I discuss that briefly in the ballbot example in the notebook associated with http://underactuated.csail.mit.edu/acrobot.html
And for formulating your MPC, I would recommend the notes in http://underactuated.csail.mit.edu/trajopt.html
QUESTION
I'm have linking issue's on codelite when I try to build my project. I get the error 'undefined reference to 'WinMain@16'.
...ANSWER
Answered 2021-Apr-24 at 05:00Rename your main
to be WinMain
with the following parameters
QUESTION
ANSWER
Answered 2021-Apr-20 at 21:08As @Cory Kramer Mentioned, You should be including the folder which contains all your header files into cmake, rather than providing the actual files.
If your Header files are in same location as your main file (.cpp) file, then that would not be necessary.
The include_directories are generally used when your include files and your source codes are in diffferent folders ( which generally would be the case on a professionaly maintained code like blas libraries and so on ).
@Edited based on comments by @Devolus
Eg: Lets say if the directory in which your header files are present is "mysourcebase/includepath/directory" then you should do
QUESTION
I have a problem with updating packages in conda. The list of my installed packages is:
...ANSWER
Answered 2021-Apr-14 at 20:26Channel pypi means that the package was installed with pip. You may need to upgrade it with pip as well
QUESTION
I have two servers one of which is running RHEL 7.4 and the other one is CentOS 8 the RHEL comes with gcc 4.8.5 and libc.so.6 at 2.17 the CentOS comes with gcc 8.3.1 and libc 2.28
I built a GCC 10.2 on both server and install to customized path something like /dist/gcc/10.2.0 to built the GCC 10.2, I also built gmp 6.2.0, mpc 1.1.0 and mpfr 4.0.2, those three libs are also install under my customized path like /dist/gmp/6.2.0..
things has been smooth on both servers for a long time, I built all kinds of customized library on both REHL and CentOS with my brand new GCC10.2. However last week I started to build a simple C++ application which links a 3rd party lib( shared object) built with old gcc(4.7 4.8 likely), I know there could be ABI issues so I took that seriously and tried building on both servers. The result is surprising, without D_GLIBCXX_USE_CXX11_ABI=0, CentOS environment builds smoothly but the REHL one complains with something like /......./linux64-demo/../../libs/LINUX64/libsomething.so: undefined reference to `std::ostream::operator<<(double)@GLIBCXX_3.4' which I believe has something to do with ABI, or linking wrong lib, I tried both with and without flag D_GLIBCXX_USE_CXX11_ABI, the result is same.
So I did strings /dist/gcc/10.2.0/lib64/libstdc++.so.6 | grep GLIBC '''
...ANSWER
Answered 2021-Apr-06 at 02:20after a whole weekend trail and error, I found that the reason behind all these is because of the aging binutils that comes with the OS
I was inspired by this post https://unix.stackexchange.com/questions/596280/no-version-symbols-in-freshly-compiled-libstdc
simply build a newer version binutils and use that to build the gcc 10.2 solves all these problems.
QUESTION
Morning, I am trying to add all my values of Distance and Speed to an array, so I can plot them with PLT. However, python is only appending 1 value, why? What am I doing wrong? Code and output below: '''
...ANSWER
Answered 2021-Apr-05 at 16:18In every loop iteration, you very specifically erase your previous list, and replace it with two copies of the current data. I'll focus on only one variable:
QUESTION
I am trying to update two columns within a table from a select statment in MySQL 5.7. The error I get is "invalid use of group function"
Stmt:
...ANSWER
Answered 2021-Apr-02 at 20:37You must aggregate first in reviews
and then join to catalog
:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install MPC
You can use MPC like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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