Posts 1 - 10 of 43

Results for: Algorithms

Three Wordle Assistants 3

When I tackle a Wordle puzzle, I like to make all the key decisions myself. My three assistants set up puzzles and suggest words when I ask for help, but I guide the actual solution. My assistants also make it possible for me to play Wordle anywhere, anytime, even when my laptop is in airplane mode. I don't need the New York Times or access to the Web.... read more >>

Singular Matrix Pencils and the QZ Algorithm, Update

(The January 5 posting was premature and incomplete.)... read more >>

Quaternions 3

Quaternions are generalizations of the complex numbers that have found applications in computer graphics and many other fields.... read more >>

Complexity of Computing the Eigenvalues of a Symmetric Matrix 1

I am giving a five-minute talk today, May 26, at the virtual seminar on Complexity of Matrix Computations. Here are my slides. Two new MATLAB functions, tred and imtql, instrumented to count flops, are available in symeig.m.... read more >>

Easter Sunday and April Fools 4

What do the years 2018, 2029 and 2040 have in common? They are the only years in the 21st century when Easter Sunday occurs on April Fools Day.... read more >>

Two Dubious Ways to Solve A*X = X*B, part 1 2

Recently, I had email from a student in Italy.... read more >>

Makima Piecewise Cubic Interpolation

This post is by my colleague Cosmin Ionita.... read more >>

MathWorks Math Modeling Challenge

This week’s post is by Reece Teramoto.
MathWorks recently took over sponsorship of the Math Modeling Challenge, a contest for high school juniors and seniors in the U.S organized by SIAM – Society... read more >>

USA Traveling Salesman Tour 4

Find the optimum traveling salesman tour through the capitals of the 48 contiguous states in the USA.... read more >>

Easter, Revisited

Today is Easter Sunday. Why? How is the date of Easter determined?... read more >>

Posts 1 - 10 of 43