ChordAL | Code accompanying ICCC 2019 Creative Submission paper | Machine Learning library

by gudgud96 CSS Version: Current License: MIT

X-Ray Key Features Code Snippets(2)Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | ChordAL Summary

ChordAL is a CSS library typically used in Artificial Intelligence, Machine Learning, Deep Learning, Neural Network applications. ChordAL has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

It seems to be very intuitive for human composers to write songs based on chord progressions. However, not much work is done on exploring how we could generate melodies based on given chord progressions. Here we propose ChordAL, which is a chord-based learning system for music composition using deep learning.

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Support

ChordAL has a low active ecosystem.

It has 8 star(s) with 0 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

ChordAL has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of ChordAL is current.

Quality

ChordAL has no bugs reported.

Security

ChordAL has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

ChordAL is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

ChordAL releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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ChordAL Key Features

No Key Features are available at this moment for ChordAL.

ChordAL Examples and Code Snippets

r Chordal .

python

Lines of Code : 9

License : No License

Copy

def Chordal(G):
    """Test if a given graph is chordal."""
    if not isUndirected(G):
        raise ValueError("Input to Chordal is not an undirected graph")
    try:
        PerfectEliminationOrdering(G)
    except:
        return False
    return

Test if chordal graphs are equal .

python

Lines of Code : 4

License : No License

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def testChordal(self):
        """Check that Chordal() returns the correct answer on each test graph."""
        for G,isChordal in ChordalTest.graphs:
            self.assertEqual(Chordal(G), isChordal)

Community Discussions

Trending Discussions on ChordAL

Chordal graphs and SSA form programs

Adding alpha to Catmull-Rom

QUESTION

Chordal graphs and SSA form programs

Asked 2018-Dec-04 at 00:19

My question is about why every SSA form program corresponds to a chordal graph by default. Wikipedia defines chordal graphs as

a chordal graph is one in which all cycles of four or more vertices have a chord, which is an edge that is not part of the cycle but connects two vertices of the cycle

Here's a simple example taken from some lecture notes I was following for the sake of understanding the benefit of SSA form to register allocation. The authors write:

[...] the following program and corresponding chordal graph:

First: I don't understand how is this graph is chordal. I realize that the program is not in SSA form. Then the author converts it to SSA form to get this interference graph

But again I can't see how this is a chordal graph or how the first graph is related to any of the later graphs.

All of this has made it very difficult to understand how SSA programs give rise to chordal intersection graphs.

Here's some of the sources that I've looked into:

...

ANSWER

Answered 2018-Dec-04 at 00:19

Regarding the program you listed from Section 6 of the lecture notes:

I don't understand how is this graph is chordal. I realize that the program is not in SSA form.

You're correct that the original program is not in SSA form. You're also justifiably confused as to why its "chordal graph" is chordal: it isn't. The authors have made a small mistake. Where they wrote "chordal graph" in reference to that first program, they meant to write "interference graph".

This second graph you're referring to is trivially chordal because it doesn't contain any cycles. Remember the definition of a chordal graph you gave:

a chordal graph is one in which all cycles of four or more vertices have a chord, which is an edge that is not part of the cycle but connects two vertices of the cycle

If there are zero cycles, then vacuously all of those cycles contain a chord.

Source https://stackoverflow.com/questions/53559767

QUESTION

Adding alpha to Catmull-Rom

Asked 2018-Jun-03 at 15:42

I am trying to generate a Catmull-Rom curve from a list of points in Unity. As I do not want to store points in between points of the curve I opted to use a solution that could calculate a position in a Catmull-Rom curve based on time. There are a few examples of this, here and here, however, neither shows how to implement alpha.

The reason I want to implement alpha is so I can have the ability to change between a centripetal, chordal, and uniform Catmull-Rom curve.

...

ANSWER

Answered 2018-Jun-03 at 15:42

To anyone who comes here, the answer actually comes from the maths in one of the links from the original question. It is an answer from an SO question Catmull-rom curve with no cusps and no self-intersections . So credits to cfh.

The code posted in my original question is a great way to calculate points in a uniform Catmull-Rom spline, however, it did not factor in alpha. Therefore, it could not be used for chordal, or centripetal, (or anything in between) Catmull-Rom splines. The code below does take into account alpha and therefore supports both chordal and centripetal Catmull-Rom splines.

Without further ado, here is the code ported into C# for Unity.

Source https://stackoverflow.com/questions/50655395

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install ChordAL

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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