Optimizer: size the dense BFGS inverse Hessian before each update - #3444

Optimizer: size the dense BFGS inverse Hessian before each update#3444

jachymb wants to merge 3 commits into

stan-dev:developstan-dev/stan:developfrom

jachymb:feature/bfgs-update-sizingjachymb/stan:feature/bfgs-update-sizingCopy head branch name to clipboard