v0.3.0

Support for PDE-constrained optimization (under uncertainty). In addition to the random field (PARAMETER) there is now the control / design / optimization variable (CONTROL), and corresponding derivatives etc.

v0.2.0

Permuting the order of sampling and matrix matrix multiplication cut down on the amount of data needing to be saved in the ActiveSubspaceProjector class.

Initial release

Initial release of hippyflow