automata | Python library for simulating finite automata
kandi X-RAY | automata Summary
kandi X-RAY | automata Summary
Automata is a Python 3 library which implements the structures and algorithms for finite automata, pushdown automata, and Turing machines. The library requires Python 3.6 or newer.
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Top functions reviewed by kandi - BETA
- Create a state from a regular expression
- Concatenate two NFA
- Get the mapping between two states
- Concatenate NFA
- Construct a GFA from a given NFA
- Return True if the given regular expression is a bracket request
- Iterate through the input_str and yield configurations
- Generates a set of possible configurations
- Returns a set of all transition states
- Create a DFA from an NFA
- Create a GNFA from a GFA
- Iterates through input_str
- Read input_strategy
- Yields steps from input_str
- Yields TMT configuration from input_str
- Yields the steps from the input string
- Compares two words
- Returns the current transition
- Get the next configuration
- Perform validation
- Validates the model
- Performs validation on invalid symbols
- Validates the state
- Return True if re1 and re2 match re2
- Return True if two words match the regular expression
- Validate the state
automata Key Features
automata Examples and Code Snippets
Community Discussions
Trending Discussions on automata
QUESTION
ANSWER
Answered 2022-Apr-05 at 12:57d = {}
size = int(input("Enter the size of nested dictionary: "))
for i in range(size):
d[i+1] = {}
innerkey =list(map(str,input("Enter name of inner dict key: ").split()))
innervalue=list(map(str,input("Enter value of inner dict: ").split()))
d[i+1]["dict_name"] =innerkey
d[i+1]["dict_value"] = innervalue
print(d)
input-Enter the size of nested dictionary: 3
Enter name of inner dict key: a
Enter value of inner dict: 23
Enter name of inner dict key: b
Enter value of inner dict: 45
Enter name of inner dict key: c
Enter value of inner dict: 45
output=
{1: {'dict_name': ['a'], 'dict_value': ['23']}, 2: {'dict_name': ['b'],
'dict_value': ['45']}, 3: {'dict_name': ['c'], 'dict_value': ['45']}}
QUESTION
I want to draw an arrow from one tikzpicture to another, to include in my Beamer presentation I am making in Rmarkdown. I tried following the answer to this question: Connecting two tikz pictures with arrow. However, it does not work for me as it connects the two images together instead. This is my initial code (to make it fit with bullet points in the slide):
Edit: I have inlcuded my YAML in Rmarkdown.
...ANSWER
Answered 2022-Mar-03 at 14:26I suggest to use tikzmarks for this job:
QUESTION
Hi I am writing some code for finite automata but that is not important.
When I try to write in CLion my second part of the code is commented (from line 32 case JEDNORADKOVA). Do you know how can I repair my CLion or where is problem then?
My code:
...ANSWER
Answered 2022-Feb-23 at 09:20Read the messages in CLion: "Unreachable code :32" and the error is clear.
I have formatted your source, but it seems to be not the one you have in CLion. Since the indenting and bracing are chaotic, I assume that you have a closing brace too much.
QUESTION
I understand that { an bn | n>=1 } is not regular using Pumping Lemma.
But then, how is { an bn | n<=10 } regular? I thought we couldn't store the number of a and b in an automata. And I couldn't verify it with pumping lemma too.
...ANSWER
Answered 2022-Feb-08 at 17:27Every language that has a finite number of strings as members is regular, because you can construct a finite automaton that accepts each of these strings.
You can prove it by just constructing the automaton. It has a finite number of states and by the Myhill–Nerode theorem all of the strings this automaton accepts belong to a regular language.
QUESTION
I've been implementing a paper that is targeting IoT encryption using a 64-bit block cipher via elementary cellular automata. The paper is in the repository/linked in the README.
I am trying to verify that an implementation of this algorithm actually works.
Current state
The first and third segments do not decrypt properly, I believe this is due to rule 153 being used.
...ANSWER
Answered 2022-Jan-31 at 05:55After iterating through all automata rules, only linear rules work in place of 153 for alternating segments. Rule 29 appears to be the best alternate for diffusion of the plaintext.
QUESTION
I've been playing around with Cellular Automata in React Native. I use an array of objects containing the view for one row of cells (the CellRow Component below), and return every CellRow from that array using the map function in the parent component.
...ANSWER
Answered 2022-Jan-22 at 21:58This expression does not need to be simplified, and the version the "calculator" gave you is wrong.
- Your version is readable, correct, and already simplified.
- Unless you are running this test millions of times per second, computers are VERY fast at simple math so this isn't the cause of your performance issue.
- The simplified version you got doesn't make any sense and probably causing other issues like going out of range.
- Never trust some random tool to generate optimized code for you. The interpreter and the engine are already doing a good job of that.
QUESTION
I'm trying to compile my Rust code on my M1 Mac for a x86_64 target with linux. I use Docker to achieve that.
My Dockerfile:
...ANSWER
Answered 2022-Jan-18 at 17:25It looks like the executable is actually named x86_64-linux-gnu-gcc, see https://packages.debian.org/bullseye/arm64/gcc-x86-64-linux-gnu/filelist.
QUESTION
I am trying to create something simple using Tkinter. In it, I am creating a series of frames and then using frame.grid() putting them inside of another frame. I am able to retrieve the frame and print out information about it, but I am unable to change the color.
I have looked through other posts and was unable to find a solution. I have tried:
- Updating the color using
.config(bg=color)/.configure(bg=color) - Updating the color using
frame['bg']= - Placing the function before or after the creation of the frames.
I am able to edit the color of the frames when I am calling a function through the event, but when I am running a different function, it is unable to change the colors.
I am using Replit, here is the important code:
...ANSWER
Answered 2022-Jan-04 at 04:09You CANNOT use an infinite loop like that. Tk, like all GUI frameworks, is event driven. When you create a window or make a change, that doesn't actually do any drawing. It just sends a message. That message will be dispatched and acted upon when you get back to the main loop. In your case, you never exit your loop, so your handler never returns, the main loop never runs, and your UI freezes.
Instead of an infinite loop with time.sleep(0.5), you need to use window.after to request a timer callback. Do one generation and return (after calling window.after again). That way, the main loop stays in control, and all will be well.
QUESTION
For the sake of example let's define a toy automaton type:
...ANSWER
Answered 2021-Dec-24 at 00:37Laziness to the rescue. We can recursively define a list of all the sub-automata, such that their transitions index into that same list:
QUESTION
I need my code to work both on Linux and MacOs.
Here is the CMakeLists.txt file I'm using to generate the Makefiles.
...ANSWER
Answered 2021-Dec-14 at 17:35As pointed out by Tsyvarev in the comment, the problem was that my OpenMp on Linux didn't support the braces initialiser for the for iterators.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install automata
You can use automata 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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