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## Purpose
We need an implicit solver for the soil model (both for Richards equation alone, and the full soil system), and possibly in the future for other models as well. Currently, the implicit sol…
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Can we modify the coordinate system slightly, so that the Jacobian is always positive?
BOUT++ currently rejects inputs with negative Jacobians, but this is what happens when the poloidal field is n…
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This work is so great!
The covariance calculation part contains T, so should the correlation term be reflected in the Jacobian matrix, but the code seems to treat this part as an ordinary covariance…
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@hanzheteng , I have a question about Jacobian computation [here](https://github.com/hanzheteng/color_icp/blob/main/src/color_icp.cpp#:~:text=Eigen%3A%3AMatrix6d%20JTJ%20%3D%20sqrt,ldlt().solve(%2DJTr…
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@MTCam @cmikida2,
Do we need this https://github.com/ecisneros8/pyrometheus/blob/168ad3d360d7a3911a81454c898ad6d9fc813271/pyrometheus/__init__.py#L480
I found that it is messing up Jacobians com…
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## Brief
Currently, CryptID.native uses affine points which can lead to suboptimal performance in some cases. To speed up things, we should consider implementing other point representations.
## …
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```julia
using Symbolics
@variables x y
z = x+y
Symbolics.jacobian([x*z],[x, z])
```
Expected
[x+y x]
Got
[y + 2x x]
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Hi,
First thanks for this great tool !
Now when trying _jacobian_ I found that I cannot use intermediate variables inside the "function".
See the example below, it is a bit contrived here, but i…
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Hello Phylliade,
I am trying to use your code for a 6-dof manipulator I am building. However I want to take the Jacobian from my created chain and there isn't such function. Will you implement it i…
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We need a new functionality to return the jacobian.