Joel Anderson
Solutions to problems from the Putnam Competition for undergraduate math students.
Putnam 2024 Problem B5 - Prove this Combinatorial Function is a Polynomial
Putnam 2024 Problem B4 - Expected Value of a Random Walk
Putnam 2024 Problem B3 - An Inequality Involving Solutions to tan x = x
Putnam 2024 Problem B2 - An Infinite Sequence Involving Geometry
Putnam 2024 Problem B1 - Selecting Integers on a Grid
Putnam 2024 Problem A6 - A Nasty Determinant
Putnam 2024 Problem A5 - Choosing Points on a Circle Uniformly at Random
Putnam 2024 Problem A4 - Modular Arithmetic Progressions
Putnam 2024 Problem A3 - A Non-constructive Proof
Putnam 2024 Problem A2 - A Polynomial Equation
Putnam 2024 Problem A1 - Find all integer solutions to 2a^n+3b^n=4c^n
Putnam 1938 Problem 13 - What is the shortest distance from an ellipsoid to a plane?
Putnam 1938 Problem 12 - Graphing in Polar Coordinates
Putnam 1938 Problem 11 - What is the shortest perpendicular chord on a parabola?
Putnam 1938 Problem 10 - Where will the insect exit the spinning disk?
Putnam 1938 Problem 9 - A Differential Equation
Putnam 1938 Problem 8(ii) - Roots of Polynomials and Fixed Points
Putnam 1938 Problem 8(i) - Linear Algebra Proof with Determinants
Putnam 1938 Problem 7(ii) - Find all Lines on the Surface Z = XY
Putnam 1938 Problem 7(i) - Newton’s Shell Theorem
Putnam 1938 Problem 6 - Optimization
Putnam 1938 Problem 5 - Evaluate Limits with L'Hôpital's Rule
Putnam 1938 Problem 4 - Optimization
Putnam 1938 Problem 3 - Parametric Equations
Putnam 1938 Problem 2 - Optimization
Putnam 1938 Problem 1 - The First Problem on the First Competition