Search Results for author: Raphael Hauser

Found 4 papers, 1 papers with code

A seven-point algorithm for piecewise smooth univariate minimization

no code implementations11 Dec 2020 Jonathan Grant-Peters, Raphael Hauser

In this paper, we construct an algorithm for minimising piecewise smooth functions for which derivative information is not available.

Optimization and Control

Optimal Trade Execution with Uncertain Volume Target

1 code implementation28 Oct 2018 Julien Vaes, Raphael Hauser

In the seminal paper on optimal execution of portfolio transactions, Almgren and Chriss (2001) define the optimal trading strategy to liquidate a fixed volume of a single security under price uncertainty.

Low-Rank Boolean Matrix Approximation by Integer Programming

no code implementations13 Mar 2018 Reka Kovacs, Oktay Gunluk, Raphael Hauser

Low-rank approximations of data matrices are an important dimensionality reduction tool in machine learning and regression analysis.

BIG-bench Machine Learning Dimensionality Reduction +1

3D Image Reconstruction from X-Ray Measurements with Overlap

no code implementations22 Nov 2016 Maria Klodt, Raphael Hauser

However, two or more sources emitting at the same time can yield measurements from overlapping rays, imposing a new type of image reconstruction problem based on nonlinear constraints.

Image Reconstruction Vocal Bursts Type Prediction

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