Nature 380, 113 - 114 (14 March 1996); doi:10.1038/380113b0

Derivative of the hyperbolic cotangent

G. W. Ford & R. F. O'Connell

Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1120, USA
Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001, USA

References

1.	Abramowitz, M. & Stegun, I. A. (eds) Handbook of Mathematical Functions (Dover, New York, 1970).
2.	Ford, G. W., Lewis, J. T. & O'Connell, R. F. Phys. Rev. A37, 4419−4428 (1988). | ChemPort |