This is a preview. Log in through your library . Abstract Under what circumstances can finite difference approximations serve as substitutes for analytical derivatives in unconstrained optimization?

Although the trend of making fresh-baked sourdough bread took off years ago, we're still just as in love with the process as ever. Unfortunately, it's difficult for our gluten-free friends to enjoy ...

It looks like a cutlet, it's juicy and fibrous like a cutlet, and it even chews with the consistency of a real cutlet -- but the ingredients are 100 percent vegetable. Researchers are using a new ...