The midterm take-home exam was handed out in Lec #19, and was due in Lec #20.

Midterm Exam (PDF)

Solutions (PDF)

## Spring 2005 Exams

The exam solutions were partially written by students who took this class and are used with their permission.

The Spring 2005 version of this class had two midterm exams.

EXAMS | TOPICS | SOLUTIONS |
---|---|---|

Exam 1 (PDF) |
## Multivariate Normal Random Walk With Non-Identical StepsExact Solution For The Position PDF ## Student Random WalkGeneralized Gram-Charlier Expansion With Fat Tails ## Largest StepDistribution Of The Largest Step Taken, Case Of Fat Tails And The Transition To Anomalous Scaling |
Chris Rycroft (PDF) |

Exam 2 (PDF) |
## Electrochemical EquilibriumPoisson-Boltzmann Equation, Debye-Huckel Linearization, Gouy-Chapman Solution ## First Passage Of A Set Of Random WalkersSurvival Probability Near An Absorbing Wall, Levy-Smirnov Density, Minimum First Passage Time Escape From A Symmetric Trap Mean First Passage Time, Kramers Escape Rate, Finite-Temperature Corrections By Saddle-Point Asymptotics |
(PDF) |