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math.NA2024
Derivatives of the full QR factorisation and of the factored-form and compact WY representations
Stefanos-Aldo Papanicolopulos
QR factorisation plays an important role in matrix computations. Within the context of optimisation and of automatic differentiation of such computations, we need to compute the de…
cs.GR2024
Implicit-Explicit simulation of Mass-Spring-Charge Systems
Zhiyuan Zhang, Krzysztof Grykiel, Zhaocheng Liu +2
Point masses connected by springs, or mass-spring systems, are widely used in computer animation to approximate the behavior of deformable objects. One of the restrictions imposed…