What if you're trying to find the minimum of something that you can't see? Or wh...

		cinntaile 67 days ago \| parent \| context \| favorite \| on: Derivatives, Gradients, Jacobians and Hessians What if you're trying to find the minimum of something that you can't see? Or what if the differences are so small that you can't perceive them with your eyes even though you can see?