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For M=0 or M=0, GESVD returns a zero matrix for VT or U, respectively. Mathematically correct would be to return an identity matrix.
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Just thinking we should not describe the argument `vect` in the function `vec2mat` as a vector, since (in R) I guess this is a matrix? What is the best way to describe it between R and Julia terminolo…
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I have a piece of code that gets an input a large vector (representing n vectors of size N) that are in column major format. So `size=n*N, rows=N and cols=n`. These are vector is packed and contiguous…
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I'm trying to convert the matrix_mul_4x4.x file in examples/ to matrix_mul_4x4.ir using this command, but I always get this Top-level type info not found error:
./bazel-bin/xls/dslx/ir_convert/ir_c…
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GPU offer up to 50 times faster linear algebra computations, including singular value decomposition.
There are three possible paths:
- Using a GPU software package that brings that connects to Eigen3…
beniz updated
7 years ago
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This ticket implements [the suggestion](https://github.com/sagemath/sage/issues/12514#comment:5) that was discussed in #12514. The idea is to be helpful to new users and coax them into doing the com…
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Quoting @siefkenj:
I haven't been keeping up with recent changes, but I have some comments from when I was doing the major refactors.
1) Indeed there is too much packed into the `Matrix` class…
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See [this conversation](https://discourse.julialang.org/t/performance-of-weighed-graphs/83661/4)
This seems to be mostly equivalent to a sparse matrix (I mentioned slower access of weights, but usi…
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- `aba` now computes the acceleration and forces, no need to do it manually anymore when there is no constraint
- armature are taking into account into algorithms, through `model.armature`. No need t…