An optimization problem is one where you have to make the best decision (choose the best investments, minimize your company’s costs, find the class schedule with the fewest morning classes, or so on).

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

If the actual output is temperature, then identity would work pretty well.) Think of your current step 3 this way: for each pixel take the response, solve for the temperature using the linear equation ...