Problems

	CONTESTS	PROBLEMS	ARTICLES	REGISTER	ABOUT	CONTACT

	Problem Title: The Brain-Drug Problem
	Year: 1990
	Student Level: Undergraduate
	Source: MCM
	Commentary: Yes (2)
	Student Papers: Yes (1)

	Problem
	The Brain-Drug Problem

	Commentary
	Judge's Commentary: The Outstanding Brain-Drug Papers Mario Martelli Mathematics Dept. California State University
	Author's Commentary: The Outstanding Brain-Drug Papers Yves Nievergelt Dept. of Mathematics Eastern Washington University

	Student Papers
	Error-Function Diffusion: A Dopamine–Fick's Model California Polytechnic State University, San Luis Obispo, CA, USA

Problem Title: The Brain-Drug Problem