David Ratkowsky

Publication Activity (10 Years)

Years Active: 1982-2022
Publications (10 Years): 4

Top Topics

Numerical Values

Geometric Features

Bilateral Symmetry

Rotationally Invariant

Top Venues

Publications

Lin Wang, David Ratkowsky, Johan Gielis, Paolo Emilio Ricci, Peijian Shi
Effects of the Numerical Values of the Parameters in the Gielis Equation on Its Geometries. Symmetry 14 (12) (2022)
Peijian Shi, Kexin Yu, Karl J. Niklas, Julian Schrader, Yu Song, Renbin Zhu, Yang Li, Hailin Wei, David Ratkowsky
A General Model for Describing the Ovate Leaf Shape. Symmetry 13 (8) (2021)
Peijian Shi, David Ratkowsky, Johan Gielis
The Generalized Gielis Geometric Equation and Its Application. Symmetry 12 (4) (2020)
Peijian Shi, Xiao Zheng, David Ratkowsky, Yang Li, Ping Wang, Liang Cheng
A Simple Method for Measuring the Bilateral Symmetry of Leaves. Symmetry 10 (4) (2018)
David Ratkowsky
Book Reviews. Comput. Humanit. 22 (1) (1988)
David Ratkowsky, Hans Fix, Harold L. Somers, Stig Johansson, Wilhelm Ott, Paul Bratley, Maribeth Henney, Michael E. Leesley
Book reviews. Comput. Humanit. 16 (3) (1982)