A Recursive Process | A Recursive Process

Linear Functions, Cardiods, and the Mandelbrot Set

November 9, 2015, 12:00 am

This tweet was retweeted by Steve Strogatz:

@stevenstrogatz great @Mathologer video on the cardioid and its family: https://t.co/ElDxW67N3X

— Anna Lukács (@launknaacs) November 6, 2015

What a great video, linking linear functions, cardiods, and the family of Mandelbrot sets. Rang m...

Visualization of a Function Through Time

October 15, 2015, 12:00 am

(This post demonstrates the math behind the creation of some unusual math art. I got the idea from this tumblr post which I don’t even think works like this. But it was the inspiration behind the pictures.)

Take this function: f(x) = x^2 + a*cos(ax). When you take values of a between 0 and 8...

Madeup and Calculus

October 15, 2015, 12:00 am

The madeup language for creating 3d models came out a week ago for the kickstarter backers. There is more information about the computer programming language found at the kickstarter page. It’s been a lot of fun to play with but looking at it through the lens of being able to create calculus 3d...

Programming and Anna Weltman’s This Is Not A Math Book and Dan Meyer’s Contest

September 29, 2015, 12:00 am

PSA: check out Anna Weltman’s new book, This Is Not A Math Book. Looks great.
Also check out Dan Meyer’s fall contest (ends 10/6/15) that asks the students to be creative in making their own Loop-de-loop mathematical art.
Programming connection: have the students make their loop-de-loop with p...

BetterQs Blog

September 10, 2015, 12:00 am

At TMC 2015 I attended a fantastic session by Rachel Kernodle that encouraged us to improve our questioning in class. I took this goal to heart, in fact, it ended up being my “One TMC15 Thing” that I’d like to work on.

#1TMCthing Improve my questioning in class, have students interpret each o...

Car Talk: False Positive?

July 5, 2015, 12:00 am

From the fantastic car talk puzzler division

RAY: There’s a rare disease that’s sweeping through your town. Of all the people who are exposed to it, 0.1 percent of the people actually contract the disease. There are no symptoms until the disease actually occurs. However, there’s a diagnostic test...

Car Talk: Barber Math

June 15, 2015, 12:00 am

From the fantastic car talk puzzler:

NEW BARBER MATH
RAY: A barber had his first customer of the day, who happened to be a friend. When he was done, the barber refused to take the money from the customer. The fellow said, “Look, I know we’re friends, but, business is business. I want to pay fo...

Plots of the Exponential Function over the Complex Plane

May 21, 2015, 12:00 am

I was inspired by this tumblr post, and this wikimedia page to make some pretty pictures of the exponential function over the complex plane. Go there to read in more detail how the images were created, including how the colors were created.
Code is found here.
Hi definition images are found...