Search Results for author: David Sprunger

Found 4 papers, 0 papers with code

Functorial String Diagrams for Reverse-Mode Automatic Differentiation

no code implementations28 Jul 2021 Mario Alvarez-Picallo, Dan R. Ghica, David Sprunger, Fabio Zanasi

We enhance the calculus of string diagrams for monoidal categories with hierarchical features in order to capture closed monoidal (and cartesian closed) structure.

Reparametrizing gradient descent

no code implementations9 Oct 2020 David Sprunger

Our algorithm can also be compared to quasi-Newton methods, but we seek roots rather than stationary points.

Differentiable Causal Computations via Delayed Trace

no code implementations4 Mar 2019 David Sprunger, Shin-ya Katsumata

When $C$ is equipped with a Cartesian differential operator, we construct a differential operator for $St(C)$ using an abstract version of backpropagation through time, a technique from machine learning based on unrolling of functions.

Rolling Shutter Correction

Neural Nets via Forward State Transformation and Backward Loss Transformation

no code implementations25 Mar 2018 Bart Jacobs, David Sprunger

We illustrate this perspective by training a simple instance of a neural network.

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