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github.com/chakravala/Grassmann.jl

⟨Grassmann-Clifford-Hodge⟩ multilinear differential geometric algebra
https://github.com/chakravala/Grassmann.jl

Grassmann.jl community engagement / involvement

chakravala opened this issue 7 months ago
Grassmann.jl v1.0 wishlist

chakravala opened this issue 7 months ago
g

vithorkr opened this issue 10 months ago
3D vector fields don't plot correctly

chillenb opened this issue about 1 year ago
Weird output for G3

dmitrykouznetsov opened this issue about 1 year ago
(log ∘ exp) gives strange output

alok opened this issue about 1 year ago
Renaming functions / API redesign for v1.0

chakravala opened this issue over 1 year ago
grade selection syntax

ajahraus opened this issue over 2 years ago
Question: Extracting floating point values from coefficients

mw95710 opened this issue over 2 years ago
Geometric Product between Bivectors of 5D CGA

mw95710 opened this issue over 2 years ago
Inner Product between vector and bivector

mw95710 opened this issue over 2 years ago
Unknown symbol in 5D CGA Basis

mw95710 opened this issue over 2 years ago
ERROR: LoadError: MethodError: no method matching parityrighthodge(::Int64, ::UInt64)

alok opened this issue almost 3 years ago
stackoverflow on broadcast

Orbots opened this issue almost 3 years ago
Reversion operator (~) is not defined for Symbolic Coefficients when using Grassmann and Reduce

ajahraus opened this issue about 3 years ago
Grassmann.jl software design discussion now private

chakravala opened this issue about 3 years ago
gradient throws error

alok opened this issue about 3 years ago
Calculating a Perpendicular Vector in Basis 2

umbriquse opened this issue about 3 years ago
Error processing example in README (Makie upgrade)

PhyX-Meow opened this issue about 3 years ago
Incorrect geometric square `(v12 + v34)^2`.

Jollywatt opened this issue over 3 years ago
Confusion about mixed grade contraction

hzgzh opened this issue over 3 years ago
streamplot example in README got inv(...) is undefined

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

6r4ph opened this issue almost 4 years ago
grade selection attempt: ERROR: MethodError: no method matching (::Simplex{⟨+++⟩,1,v₂,Int64})(::Int64)

peeterjoot opened this issue almost 4 years ago
README example error ( = outdated version of Makie)

colemanbroad opened this issue about 4 years ago
Hi

PallHaraldsson opened this issue about 4 years ago
Constructing tensor product generalization?

hammerfunctor opened this issue over 4 years ago
A problem on interoperability with AbstractTensors

hammerfunctor opened this issue over 4 years ago
Bug with outdated version of Makie

hammerfunctor opened this issue over 4 years ago
[Bug ?] repeated wedge product causes weird out of bounds error

TsurHerman opened this issue over 4 years ago
Question: Algebra for computational geometry and graphics

TsurHerman opened this issue over 4 years ago
Question: What is the best approach to visualize the ganja.js examples?

maxfreu opened this issue over 4 years ago
Undef var error in call to submanifold

maxfreu opened this issue over 4 years ago
Error message in docs

eric-wieser opened this issue over 4 years ago
Fixed typo in `README.md`

svenk opened this pull request over 4 years ago
Exponentiating zero basis element returns multivector with NaNs

lukeburns opened this issue over 4 years ago
Makie plot examples in README

lukeburns opened this issue over 4 years ago
Implement unary wedge

eschnett opened this issue over 4 years ago
Unary operators on Chain are not type stable

eschnett opened this issue over 4 years ago
Grassmann should not define `ndims` for Julia Vectors

eschnett opened this issue over 4 years ago
Make up/downarrow operators type-stable

eschnett opened this pull request over 4 years ago
Up- and downarrow convert rational numbers to floating-point numbers

eschnett opened this issue over 4 years ago
abs2 is not type-stable

eschnett opened this issue over 4 years ago
Type instability in abs2 for Chain

eschnett opened this issue over 4 years ago
More specific Chain constructors?

eschnett opened this issue over 4 years ago
More elegant way to access `v1` programmatically?

eschnett opened this issue over 4 years ago
Cannot create chains in 0-dimensional spaces

eschnett opened this issue over 4 years ago
Add `rand` method for chains and other types

eschnett opened this issue over 4 years ago
Nested geometric product error

eschnett opened this issue over 4 years ago
Documentation for \oslash is incomplete

eschnett opened this issue over 4 years ago
Docstring for `>>>` uses wrong function name

eschnett opened this issue over 4 years ago
\oslash documentation is wrong

eschnett opened this issue over 4 years ago
Mappings to common SymPy and SymEngine functions

micahscopes opened this pull request over 4 years ago
Implement `zero` for multivectors accepting a type as argument

eschnett opened this pull request over 4 years ago
Bus error with arrays of tangent space vectors

eschnett opened this issue over 4 years ago
Stack overflow for tensor product

eschnett opened this issue over 4 years ago
Finish implementing dyadic tensor evaluation

eschnett opened this issue over 4 years ago
Correct typos in documentation

eschnett opened this pull request over 4 years ago
Correct typo in README

eschnett opened this pull request over 4 years ago
"vectorfield" example from readme does not work

eschnett opened this issue over 4 years ago
Correct package names

eschnett opened this pull request over 4 years ago
Activating Open Collective

monkeywithacupcake opened this pull request over 4 years ago
add example for computing barycentric coords in G3

mewertd2 opened this pull request almost 5 years ago
1-vector/2-vector

mewertd2 opened this issue almost 5 years ago
fresh install julia 1.3.1: VectorBundle not defined

Orbots opened this issue almost 5 years ago
Fix link formatting in installation documentation

waldyrious opened this pull request about 5 years ago
correct url for reference in README.md

recri opened this issue about 5 years ago
readded excluded tests since issue #20 is solved now

karlwessel opened this pull request about 5 years ago
Symbolic computation fails due to += dispatch

citron opened this issue about 5 years ago
Differential forms, chain rule, and automatic differentiation with mixedbasis

goballooning opened this issue about 5 years ago
Please add a simpler introduction to the README for beginners, thanks.

robwebbjr opened this issue over 5 years ago
Differential Manifold and SubManifold generalization

chakravala opened this issue over 5 years ago
Difference between every pair of these: S"++++-", V"++++-" and "++++-"

goballooning opened this issue over 5 years ago
Review comments for JuliaCon2019

snoeyink opened this issue over 5 years ago
Naive question on visualization workflow

goballooning opened this issue over 5 years ago
left contraction definition

Orbots opened this issue over 5 years ago
Inverse of vectors with negative square

karlwessel opened this issue over 5 years ago
added tests for issues and some generic algebra tests

karlwessel opened this pull request over 5 years ago
Error in MultiVector constructor for Blades

karlwessel opened this issue over 5 years ago
Definition of inner product

karlwessel opened this issue over 5 years ago
Error for geometric product of null basis and negative origin

karlwessel opened this issue over 5 years ago
Method error when trying the null-basis conformal split example

karlwessel opened this issue over 5 years ago
Implement methods like sqrt for pure scalar multivectors

karlwessel opened this issue over 5 years ago
Equality between Number and Multivector

karlwessel opened this issue over 5 years ago
Adding basis vector to multivector changes multivector

karlwessel opened this issue over 5 years ago
generate rotation quaternions using exp

karlwessel opened this issue over 5 years ago
Error when adding multivectors

eschnett opened this issue over 5 years ago
Inverse not defined for MBlade?

eschnett opened this issue over 5 years ago
transitioned to DirectSum v0.2 with generalized metrics

chakravala opened this pull request almost 6 years ago
reverse of S/MBlade incorrect

Orbots opened this issue almost 6 years ago
Universal pseudoscalar I and × cross product

chakravala opened this pull request almost 6 years ago
Improper Usage of @pure

MasonProtter opened this issue almost 6 years ago
Support arbitrary metrics

MasonProtter opened this issue almost 6 years ago
Error constructing a multivector

MasonProtter opened this issue almost 6 years ago
Using SymPy scalars + python, ganja interoperability

moble opened this issue almost 6 years ago
wedge product of scalars, reversion, and conjugate

Orbots opened this issue almost 6 years ago
Complement and degenerate metric

chakravala opened this issue almost 6 years ago
implement left and right complements for ⋅,∨ products

chakravala opened this pull request almost 6 years ago
Implementing the regressive and interior products

chakravala opened this issue almost 6 years ago
isudal is exported but not defined

oxinabox opened this issue almost 6 years ago