Ramsey problems, such as r(4,5) are simple to state, but as shown in this graph, the possible solutions are nearly endless, making them very difficult to solve. We’ve all been there: staring at a math ...
Dan Roam believes we are all capable of using visual thinking to solve complex problems. His first book, The Back of the Napkin: Solving Problems and Selling Ideas With Pictures, helped ignite a ...
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