bird_egg

bird_egg, a MATLAB code which evaluates some formulas for the shapes of bird eggs.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

bird_egg is available in a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

bird_egg_test

joukowsky_transform, a MATLAB code which applies the Joukowsky transform to data, mapping between a circle in the complex plane and various airfoil shapes.

naca, a MATLAB code which takes the parameters of certain NACA airfoils and returns the coordinates of a sequence of points that outline the wing shape. The data can be displayed with MATLAB graphics.

Reference:

1. Valeriy Narushin, Michael Romanov, Darren Griffin,
   Egg and math: introducing a universal formula for egg shape,
   Annals of the New York Academy of Sciences,
   Special issue, Annals Reports, pages 169-177, 2021.

Source Code:

• cheby1space.m, returns sample points using Chebyshev spacing.
• chicken_egg.m, evaluates a formula for the shape of chicken eggs.
• pyriform_egg.m, evaluates a formula for the shape of pyriform eggs.
• universal_egg.m, evaluates a universal formula for the shape of bird eggs.