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Grassmann.jl

⟨Leibniz-Grassmann-Clifford⟩ differential geometric algebra / multivector simplicial complex
Collective - Host: opensource - https://opencollective.com/grassmannjl - Website: https://grassmann.crucialflow.com - Code: https://github.com/chakravala/Grassmann.jl

Grassmann.jl community engagement / involvement

github.com/chakravala/Grassmann.jl - chakravala opened this issue 7 months ago
Grassmann.jl v1.0 wishlist

github.com/chakravala/Grassmann.jl - chakravala opened this issue 7 months ago
g

github.com/chakravala/Grassmann.jl - vithorkr opened this issue 10 months ago
3D vector fields don't plot correctly

github.com/chakravala/Grassmann.jl - chillenb opened this issue about 1 year ago
Weird output for G3

github.com/chakravala/Grassmann.jl - dmitrykouznetsov opened this issue about 1 year ago
(log ∘ exp) gives strange output

github.com/chakravala/Grassmann.jl - alok opened this issue about 1 year ago
Renaming functions / API redesign for v1.0

github.com/chakravala/Grassmann.jl - chakravala opened this issue over 1 year ago
grade selection syntax

github.com/chakravala/Grassmann.jl - ajahraus opened this issue over 2 years ago
Question: Extracting floating point values from coefficients

github.com/chakravala/Grassmann.jl - mw95710 opened this issue over 2 years ago
Geometric Product between Bivectors of 5D CGA

github.com/chakravala/Grassmann.jl - mw95710 opened this issue over 2 years ago
Inner Product between vector and bivector

github.com/chakravala/Grassmann.jl - mw95710 opened this issue over 2 years ago
Unknown symbol in 5D CGA Basis

github.com/chakravala/Grassmann.jl - mw95710 opened this issue over 2 years ago
ERROR: LoadError: MethodError: no method matching parityrighthodge(::Int64, ::UInt64)

github.com/chakravala/Grassmann.jl - alok opened this issue almost 3 years ago
stackoverflow on broadcast

github.com/chakravala/Grassmann.jl - Orbots opened this issue almost 3 years ago
Reversion operator (~) is not defined for Symbolic Coefficients when using Grassmann and Reduce

github.com/chakravala/Grassmann.jl - ajahraus opened this issue about 3 years ago
Grassmann.jl software design discussion now private

github.com/chakravala/Grassmann.jl - chakravala opened this issue about 3 years ago
gradient throws error

github.com/chakravala/Grassmann.jl - alok opened this issue about 3 years ago
Calculating a Perpendicular Vector in Basis 2

github.com/chakravala/Grassmann.jl - umbriquse opened this issue about 3 years ago
Error processing example in README (Makie upgrade)

github.com/chakravala/Grassmann.jl - PhyX-Meow opened this issue about 3 years ago
Incorrect geometric square `(v12 + v34)^2`.

github.com/chakravala/Grassmann.jl - Jollywatt opened this issue over 3 years ago
Confusion about mixed grade contraction

github.com/chakravala/Grassmann.jl - hzgzh opened this issue over 3 years ago
streamplot example in README got inv(...) is undefined

github.com/chakravala/Grassmann.jl - islent opened this issue over 3 years ago
Errors with symbolic coefficients, mixed-grades multivectors / operators related ? (both Reduce and SymEngine)

github.com/chakravala/Grassmann.jl - 6r4ph opened this issue almost 4 years ago
grade selection attempt: ERROR: MethodError: no method matching (::Simplex{⟨+++⟩,1,v₂,Int64})(::Int64)

github.com/chakravala/Grassmann.jl - peeterjoot opened this issue almost 4 years ago
README example error ( = outdated version of Makie)

github.com/chakravala/Grassmann.jl - colemanbroad opened this issue about 4 years ago
Hi

github.com/chakravala/Grassmann.jl - PallHaraldsson opened this issue about 4 years ago
Constructing tensor product generalization?

github.com/chakravala/Grassmann.jl - hammerfunctor opened this issue over 4 years ago
A problem on interoperability with AbstractTensors

github.com/chakravala/Grassmann.jl - hammerfunctor opened this issue over 4 years ago
Bug with outdated version of Makie

github.com/chakravala/Grassmann.jl - hammerfunctor opened this issue over 4 years ago
[Bug ?] repeated wedge product causes weird out of bounds error

github.com/chakravala/Grassmann.jl - TsurHerman opened this issue over 4 years ago
Question: Algebra for computational geometry and graphics

github.com/chakravala/Grassmann.jl - TsurHerman opened this issue over 4 years ago
Question: What is the best approach to visualize the ganja.js examples?

github.com/chakravala/Grassmann.jl - maxfreu opened this issue over 4 years ago
Undef var error in call to submanifold

github.com/chakravala/Grassmann.jl - maxfreu opened this issue over 4 years ago
Error message in docs

github.com/chakravala/Grassmann.jl - eric-wieser opened this issue over 4 years ago
Fixed typo in `README.md`

github.com/chakravala/Grassmann.jl - svenk opened this pull request over 4 years ago
Exponentiating zero basis element returns multivector with NaNs

github.com/chakravala/Grassmann.jl - lukeburns opened this issue over 4 years ago
Makie plot examples in README

github.com/chakravala/Grassmann.jl - lukeburns opened this issue over 4 years ago
Implement unary wedge

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Unary operators on Chain are not type stable

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Grassmann should not define `ndims` for Julia Vectors

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Make up/downarrow operators type-stable

github.com/chakravala/Grassmann.jl - eschnett opened this pull request over 4 years ago
Up- and downarrow convert rational numbers to floating-point numbers

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
abs2 is not type-stable

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Type instability in abs2 for Chain

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
More specific Chain constructors?

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
More elegant way to access `v1` programmatically?

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Cannot create chains in 0-dimensional spaces

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Add `rand` method for chains and other types

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Nested geometric product error

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Documentation for \oslash is incomplete

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Docstring for `>>>` uses wrong function name

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
\oslash documentation is wrong

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Mappings to common SymPy and SymEngine functions

github.com/chakravala/Grassmann.jl - micahscopes opened this pull request over 4 years ago
Implement `zero` for multivectors accepting a type as argument

github.com/chakravala/Grassmann.jl - eschnett opened this pull request over 4 years ago
Bus error with arrays of tangent space vectors

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Stack overflow for tensor product

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Finish implementing dyadic tensor evaluation

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Correct typos in documentation

github.com/chakravala/Grassmann.jl - eschnett opened this pull request over 4 years ago
Correct typo in README

github.com/chakravala/Grassmann.jl - eschnett opened this pull request over 4 years ago
"vectorfield" example from readme does not work

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 4 years ago
Correct package names

github.com/chakravala/Grassmann.jl - eschnett opened this pull request over 4 years ago
Activating Open Collective

github.com/chakravala/Grassmann.jl - monkeywithacupcake opened this pull request over 4 years ago
add example for computing barycentric coords in G3

github.com/chakravala/Grassmann.jl - mewertd2 opened this pull request almost 5 years ago
1-vector/2-vector

github.com/chakravala/Grassmann.jl - mewertd2 opened this issue almost 5 years ago
fresh install julia 1.3.1: VectorBundle not defined

github.com/chakravala/Grassmann.jl - Orbots opened this issue almost 5 years ago
Fix link formatting in installation documentation

github.com/chakravala/Grassmann.jl - waldyrious opened this pull request about 5 years ago
correct url for reference in README.md

github.com/chakravala/Grassmann.jl - recri opened this issue about 5 years ago
readded excluded tests since issue #20 is solved now

github.com/chakravala/Grassmann.jl - karlwessel opened this pull request about 5 years ago
Symbolic computation fails due to += dispatch

github.com/chakravala/Grassmann.jl - citron opened this issue about 5 years ago
Differential forms, chain rule, and automatic differentiation with mixedbasis

github.com/chakravala/Grassmann.jl - goballooning opened this issue about 5 years ago
Please add a simpler introduction to the README for beginners, thanks.

github.com/chakravala/Grassmann.jl - robwebbjr opened this issue over 5 years ago
Differential Manifold and SubManifold generalization

github.com/chakravala/Grassmann.jl - chakravala opened this issue over 5 years ago
Difference between every pair of these: S"++++-", V"++++-" and "++++-"

github.com/chakravala/Grassmann.jl - goballooning opened this issue over 5 years ago
Review comments for JuliaCon2019

github.com/chakravala/Grassmann.jl - snoeyink opened this issue over 5 years ago
Naive question on visualization workflow

github.com/chakravala/Grassmann.jl - goballooning opened this issue over 5 years ago
left contraction definition

github.com/chakravala/Grassmann.jl - Orbots opened this issue over 5 years ago
Inverse of vectors with negative square

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
added tests for issues and some generic algebra tests

github.com/chakravala/Grassmann.jl - karlwessel opened this pull request over 5 years ago
Error in MultiVector constructor for Blades

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Definition of inner product

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Error for geometric product of null basis and negative origin

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Method error when trying the null-basis conformal split example

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Implement methods like sqrt for pure scalar multivectors

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Equality between Number and Multivector

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Adding basis vector to multivector changes multivector

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
generate rotation quaternions using exp

github.com/chakravala/Grassmann.jl - karlwessel opened this issue over 5 years ago
Error when adding multivectors

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 5 years ago
Inverse not defined for MBlade?

github.com/chakravala/Grassmann.jl - eschnett opened this issue over 5 years ago
transitioned to DirectSum v0.2 with generalized metrics

github.com/chakravala/Grassmann.jl - chakravala opened this pull request almost 6 years ago
reverse of S/MBlade incorrect

github.com/chakravala/Grassmann.jl - Orbots opened this issue almost 6 years ago
Universal pseudoscalar I and × cross product

github.com/chakravala/Grassmann.jl - chakravala opened this pull request almost 6 years ago
Improper Usage of @pure

github.com/chakravala/Grassmann.jl - MasonProtter opened this issue almost 6 years ago
Support arbitrary metrics

github.com/chakravala/Grassmann.jl - MasonProtter opened this issue almost 6 years ago
Error constructing a multivector

github.com/chakravala/Grassmann.jl - MasonProtter opened this issue almost 6 years ago
Using SymPy scalars + python, ganja interoperability

github.com/chakravala/Grassmann.jl - moble opened this issue almost 6 years ago
wedge product of scalars, reversion, and conjugate

github.com/chakravala/Grassmann.jl - Orbots opened this issue almost 6 years ago
Complement and degenerate metric

github.com/chakravala/Grassmann.jl - chakravala opened this issue almost 6 years ago
implement left and right complements for ⋅,∨ products

github.com/chakravala/Grassmann.jl - chakravala opened this pull request almost 6 years ago
Implementing the regressive and interior products

github.com/chakravala/Grassmann.jl - chakravala opened this issue almost 6 years ago
isudal is exported but not defined

github.com/chakravala/Grassmann.jl - oxinabox opened this issue almost 6 years ago