1 million digits of PI 1 billion digits of PI Mandelbrot set Explorer

Mandelbrot Set Explorer

Explore the Mandelbrot Set: use your mouse (or your fingers) to drag, move and zoom like you would do with a map.

The more you zoom in the darker it will get, press "+/- Resolution" to brighten these areas.
Press the "Reset" button if you get lost ;).

Please note: this tool requires a lot of computation, althought it could work on mobile devices it is best suited for desktop computers.


What is the Mandelbrot Set?

The Mandelbrot Set is a mathematical set of complex numbers that are plotted on a complex plane. The set is named after Benoit Mandelbrot, a French mathematician, who discovered it in the 1970s while studying the behavior of complex iterative functions.

The Mandelbrot Set is created by iterating a simple mathematical formula on each point on the complex plane. The formula is z(n+1) = z(n)^2 + c, where z(0) = 0 and c is a constant complex number representing the point on the plane. If the iteration remains bounded, meaning that the absolute value of z(n) remains below a certain threshold for all values of n, then the point is considered to be part of the Mandelbrot Set. If the iteration grows unbounded, then the point is not part of the set.

The Mandelbrot Set is famous for its intricate and beautiful patterns, which are formed by the intricate shapes of the boundaries between the points that are in the set and those that are not. The set has also been studied in depth by mathematicians for its complex and chaotic properties, which have important implications in the study of fractals and nonlinear dynamical systems.

How to visualize Mandelbrot Set

To visualize the Mandelbrot Set in 2D, we typically use a complex plane, where the x-axis represents the real part of the complex number, and the y-axis represents the imaginary part. The points on the plane are colored to indicate whether they are part of the set or not.

To create an image of the Mandelbrot Set, we need to iterate over each point on the complex plane using the iterative formula I described earlier. We start with z(0) = 0, and for each point c on the plane, we repeatedly apply the formula z(n+1) = z(n)^2 + c until either the magnitude of z(n) becomes too large or we reach a maximum number of iterations.

If the iteration remains bounded for a given point c, we consider it to be part of the Mandelbrot Set and color it black. If the iteration becomes unbounded, we color the point according to how quickly the magnitude of z(n) grows. Typically, points that are farther away from the set are colored with brighter colors, while points that are closer to the set are colored with darker colors.

By repeating this process for every point on the complex plane, we can generate a 2D image that represents the Mandelbrot Set. The resulting image shows the intricate and beautiful patterns that are characteristic of the set.

Applications of the Mandelbrot Set

The Mandelbrot Set has a number of applications across different fields, including mathematics, computer science, physics, and even art. Here are some of the key applications:

Fractal geometry: The Mandelbrot Set is one of the most famous examples of a fractal, a geometric shape that exhibits self-similarity at different scales. The study of fractals has important applications in fields like biology, geology, and computer graphics.

Nonlinear dynamics: The behavior of the Mandelbrot Set and other fractals can provide insights into the behavior of nonlinear dynamical systems, which are systems that exhibit complex and chaotic behavior.

Computer graphics: The Mandelbrot Set is often used as a test case for computer graphics algorithms, as it requires complex calculations and generates intricate patterns.

Data compression: The fractal nature of the Mandelbrot Set has been used in image compression algorithms, as it allows for the representation of complex images with relatively simple mathematical formulas.

Art: The Mandelbrot Set and other fractals have been used as inspiration for a wide range of artistic works, from paintings to music and even video games.

Overall, the Mandelbrot Set and other fractals have important applications across a range of fields, as they provide insights into complex systems and offer new ways to represent and analyze data.

Recommended Books

Looking for good books to read? Take a look at these books if you want to know more about the theory of numbers
To guide today's students through the key milestones and developments in number theory
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A comprehensive introduction to number theory, with complete proofs, worked examples, and exercises.
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Several of its challenges are so easy to state that everyone can understand them, and yet no-one has ever been able to resolve them.
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In addition to covering the basics, it offers an outstanding introduction to partitions, multiplicativity-divisibility, and more.
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