active subspace

Gradient-free active subspace recovery using deep neural networks

A problem of considerable importance within the field of uncertainty quantification (UQ) is the development of efficient methods for the construction of accurate surrogate models. Such efforts are particularly important to applications constrained by …

Probablistic active subspaces

Gaussian process regression (GPR) is an immensely popular choice for computational scientists as a surrogate model for various uncertainty quantification tasks. However, it's appliacability is limited by it's poor scalability to high input …