Hsieh believed that “inbox zero” is not only an elusive goal, but a nearly impossible one. As soon as you start replying to ...

First-order derivatives: n additional function calls are needed. Second-order derivatives based on gradient calls, when the "grd" module is specified (Dennis and Schnabel 1983): n additional gradient ...

Exxon Mobil faces a Sell rating amid high oil price dependence and macro risks. See XOM stock's fair value estimate and ...