PolarGrad (Polar Gradient methods; Lau et al., 2025) is a class of matrix-gradient optimizers based on the concept of gradient-anisotropy preconditioning in optimization. It has close relation to Muon ...
I love how, in continuum mechanics, concepts from linear algebra take on a clear geometric and physical meaning. For example, matrix decompositions of the deformation gradient can be visualized by ...
In GAMA's manual, I observed that diffusion can be performed by customizing uniform/irregular gradient matrices, But when writing code, keyword matrices and propagation cannot be used simultaneously.
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