Hamid Naderi Yeganeh, “A Bird in Flight” (November 2014)
This image is like a bird in flight. It shows 2000 line segments. For each i=1, 2, 3, … , 2000 the endpoints of the i-th line segment are:
(3(sin(2πi/2000)^3), -cos(8πi/2000))
and
((3/2)(sin(2πi/2000)^3), (-1/2)cos(6πi/2000)).
See his gallery of images here.
Hamid Naderi Yeganeh is a Bachelor student of mathematics at the University of Qom. He won gold medal at the 38th Iranian Mathematical Society’s Competition (2014).
A Generalization of Wallis Product by Mahdi Ahmadinia and Hamid Naderi Yeganeh
PlusMaths writes:
…but it’s actually a collection of points in the plane given by a mathematical formula. To be precise, it’s a subset of the complex plane consisting of points of the form
where
and
for
and
The image was created by Hamid Naderi Yeganeh.

![\[ \lambda A(t)+(1-\lambda )B(t), \]](https://i0.wp.com/plus.maths.org/MI/16c93f0ffa0c78705a54a591da307cc1/images/img-0001.png)
![\[ A(t)= 3(\sin (t))^{3}- \frac{3i}{4}\cos (4t) \]](https://i0.wp.com/plus.maths.org/MI/16c93f0ffa0c78705a54a591da307cc1/images/img-0002.png)
![\[ B(t)= \frac{3}{2}(\sin (t))^{5} - \frac{i}{2}\cos (3t) \]](https://i0.wp.com/plus.maths.org/MI/16c93f0ffa0c78705a54a591da307cc1/images/img-0003.png)
and 