## Abstract A fitting formula is proposed to approximate the falloff curves of the pressureβ and temperatureβdependent unimolecular reaction rate constants. Compared with the widely used Troe's formula, the present expression has the potential to substantially reduce the computation time in its eva
A Compact Differential Formula for the First Derivative of a Unit Quaternion Curve
β Scribed by KIM, MYOUNG-JUN ;KIM, MYUNG-SOO ;SHIN, SUNG YONG
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 671 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1049-8907
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β¦ Synopsis
This paper presents a compact differential formula for the first derivative of a unit quaternion curve defined on SO(3) or S3. The formula provides a convenient way to compute the angular velocity of a rotating 3D solid. We demonstrate the effectiveness of this formula by deriving the differential properties of various unit quaternion at the curve end points.
π SIMILAR VOLUMES
## Abstract This paper is a continuation of [6]. Here we construct a CAUCHY integral formula and a POMPEJUβrepresentation for elliptic systems of partial differential equations of first order in __R^n^__, which may be described with the help of a CLIFFORDβalgebra. Moreover we study properties of th
By taking into account effects of tunneling on the shape of the falloff curves of unimolecular reaction rate constants based on Troe's weak collision integral, a fitting formula for these curves is developed and then examined for several tunneling-affected reactions. It is demonstrated that, compare