sol2 | sol2 v3.0 ) - a C++ < - > Lua API
kandi X-RAY | sol2 Summary
kandi X-RAY | sol2 Summary
sol2 is a C++ library binding to Lua. It currently supports all Lua versions 5.1+ (LuaJIT 2.0+ and MoonJIT included). sol2 aims to be easy to use and easy to add to a project. The library is header-only for easy integration with projects, and a single header can be used for drag-and-drop start up.
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Trending Discussions on sol2
QUESTION
I have written a calculator for solving quadratic equations, using cmath.
So far I've successfully replaced 'j' into 'i' in the results, but failed to find a way to replace the brackets and the "0i" (if exist).
...ANSWER
Answered 2022-Apr-10 at 04:59Take a look at str.replace()
or str.strip()
. It will be much simpler and intuitive than using regex. (Same thing applies to your replacing j
with i
)
QUESTION
I've been at this for a while and for the life of me I cannot figure out why I cannot pass test cases 4 and 5. My code is below, including my own custom test cases that all execute and pass in under 5ms.
Basically I added a third dimension to each node's position that represents whether a wall has already been traversed or not. When analyzing each current node's neighbor, if it's a wall and the current node has a zero for its third coordinate, then moving to the wall and to a 1 on the third coordinate becomes an option. On paper, it works great. In my own IDE, it works great.
I'm starting to wonder if there's something in here that's Python 3 and not working correctly in foobar or something. I'd appreciate any help.
...ANSWER
Answered 2022-Mar-27 at 20:23So I figured it out. The line
QUESTION
I am trying to compile an application from source, FlyWithLua, which includes the sol2 library.
I am following the instructions but when I run cmake --build ./build
I get the following error:
ANSWER
Answered 2022-Feb-28 at 15:12QUESTION
I want to find the two roots of a quadratic equation ax^2 + bx + c =0
and plot them against coefficient c
while keeping a
as a changeable parameter. To change a
and see what happens to the plots with varying the parameter, I would like to create a Silder
for a
from Python's Matplotlib module.
I have the following, however, it doesn't seem to be working.
...ANSWER
Answered 2022-Jan-18 at 01:48I made a couple of modifications to your code to make the slider work:
- First,
plot1
andplot2
are defined in a loop in your code. This means that they are deleted and created again at each iteration. Instead, it makes more sense to compute all the variables you want to plot and then plot them outside the loop. This is performed in theupdate_sols
function. - Second, I changed the
update
function of your slider. The variable updated by the slider should be accessed by usinga_slider.val
(see an example here). - Finally, to make sure that you can see everything that you want to plot, you need to update the y limits of your plot each time you move your slider.
Overall, the updated code looks like that:
QUESTION
I am having trouble using the Jacobian from JAX with scipy.root
. In the below example, the root
works without the Jacobian, while it fails with the Jacobian. Any ideas on what I need to rewrite in order to get the code below working with the Jacobian?
ANSWER
Answered 2021-Dec-19 at 14:01There are two issues:
- to perform automatic differentiation, JAX relies on replacing values with tracers. This means your approach of printing and evaluating the string representation of the value will not work.
- additionally, you are attempting to assign traced values to a standard numpy array. You should use a JAX array instead, as it knows how to handle traced values.
With this in mind, you can rewrite your function this way and it should work, so long as your equations only use Python arithmetic operations and jax functions (not things like np.exp
):
QUESTION
I am trying to code a sort of YouTube downloader that takes a YouTube video url, uses requests and BeautifulSoup to scrape the download link of that video from an online video downloader.
Website used - https://www.y2mate.com/
Approach: nifty feature of above website that allows the following:
Use https://www.youtubepp.com/
followed by the video link, say https://www.youtube.com/watch?v=dQw4w9WgXcQ
.
Doing so takes you to the website, with the YouTube video already entered in the search bar.
This thus allows using this kind of special link in the requests
module to extract the required links.
Issues:
Inspecting the download link shows href like so (for 480p download):
Download
How do I extract the link from this
href="javascript:void(0)
?
I looked into this SO question but it doesnt help me because I cant find the onClick attributeApart from this issue, i ran the following code to extract the html of the page:
...
ANSWER
Answered 2021-Nov-06 at 12:04EDIT: I avoided regex:
QUESTION
I want to perform ode with Sympy.
If I start with a simple one, such as, f''(x) = f(x), dsolve
works fine
ANSWER
Answered 2021-Oct-25 at 21:21I don't know what version of SymPy you are using but I'm using 1.9 and I just checked all versions back to 1.2 and this ODE is always solved:
QUESTION
I am attempting to delete a line from a text file if it matches a regular expression. To accomplish this I was using sed
in an Ubuntu environment combined with regular expressions. I have tried/referenced the following solutions: Sol1, Sol2, Sol3.
My current command is: sed '/[^"]+},/d' test.json
with this command I am attempting to match and remove lines like:
ANSWER
Answered 2021-Sep-07 at 15:53How about sed '/\"},/!d' test.json
?
QUESTION
I'm trying to simulate a reflecting boundary. Based on the suggestions found here: Stochastic differential equation with callback in Julia I tried
...ANSWER
Answered 2021-Sep-04 at 10:07It's really just saving. The way you had it would save every step, which means it would "save, reflect, save". What you really want are just the post-reflection saves:
QUESTION
In my consolidation problem, I am using solution pools to find all feasible, non-linear solutions. However, my output shows a lot of repetitions due to the different times periods and unlimited capacity of trucks when consolidation is possible. Here is my .mod file:
...ANSWER
Answered 2021-Apr-19 at 12:49As said in cplex documentation,
If the solutions you obtain are too similar to each other, try setting SolnPoolReplace to 2.
what you could also try is : rely on your own flow control without solution pools.
Example in https://github.com/AlexFleischerParis/zooopl/blob/master/zooenumeratewithoutsolutionpool.mod
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