Results 21 to 30 of about 545,174 (258)

Fine root litter traits of Chamaecyparis obtusa

Ecological Indicators, 2022
The purpose of this study was to clarify the process of Chamaecyparis obtusa (Sieb. & Zucc.) Endl. fine root shedding and the morphological traits of the resulting root litter. We developed a method for direct monthly sampling of root litter from the
Gen Yoshida, Ryuusei Doi, Ryusei Wada, Toko Tanikawa, Yasuhiro Hirano   +4 more
doaj   +1 more source

FPGA based implementation for extracting the roots of real number

Alexandria Engineering Journal, 2016
The main objectives of our paper were to establish a general formula to find the cube and higher order roots of real number using long division method. This is simultaneously applicable to all cases and free from all flaws.
Saroj Kumar Padhan, Subigyan Gadtia, Bandan Bhoi   +2 more
doaj   +1 more source

Higher-Order Root-Finding Algorithms and Their Basins of Attraction

Journal of Mathematics, 2020
In this paper, we proposed and analyzed three new root-finding algorithms for solving nonlinear equations in one variable. We derive these algorithms with the help of variational iteration technique.
Amir Naseem, M. A. Rehman, Thabet Abdeljawad   +2 more
doaj   +1 more source

Root Locus Practical Sketching Rules for Fractional-Order Systems

Abstract and Applied Analysis, 2013
For integer-order systems, there are well-known practical rules for RL sketching. Nevertheless, these rules cannot be directly applied to fractional-order (FO) systems.
António M. Lopes, J. A. Tenreiro Machado   +1 more
doaj   +1 more source

Fine Root Traits across Different Root Orders and Their Associations with Leaf Traits in 15 Co-Occurring Plant Species from the Desert–Oasis Transition Zone in the Hexi Corridor, Gansu Province, China

Plants
Fine root traits embody trade-offs between resource acquisition and conservation in plants. Yet, the differentiation of these traits across root orders, the existence of a root economics spectrum (RES) spanning these orders, and their linkage with leaf ...
Yiming Chen, Jing Ma, Hongyong Wang, Tingting Xie, Quangang Li, Lishan Shan   +5 more
doaj   +1 more source

An Efficient Family of Optimal Eighth-Order Multiple Root Finders

Mathematics, 2018
Finding a repeated zero for a nonlinear equation f ( x ) = 0 , f : I ⊆ R → R has always been of much interest and attention due to its wide applications in many fields of science and engineering.
Fiza Zafar, Alicia Cordero, Juan R. Torregrosa   +2 more
doaj   +1 more source

On Derivative Free Multiple-Root Finders with Optimal Fourth Order Convergence

Mathematics, 2020
A number of optimal order multiple root techniques that require derivative evaluations in the formulas have been proposed in literature. However, derivative-free optimal techniques for multiple roots are seldom obtained.
Janak Raj Sharma, Sunil Kumar, Lorentz Jäntschi   +2 more
doaj   +1 more source

Optimal eighth-order multiple root finding iterative methods using bivariate weight function

Results in Control and Optimization, 2023
In this contribution, a novel eighth-order scheme is presented for solving nonlinear equations with multiple roots. The proposed scheme comprises of three steps with the modified Newton method as its first step followed by two weighted Newton steps ...
Rajni Sharma, Ashu Bahl, Ranjita Guglani
doaj   +1 more source

The Roots of Amrican Order

MGIMO Review of International Relations, 2018
Review of the book by Kirk R. The Roots of American Order. Publishing House “MGIMO-University” M., 2017 655 p. (In Russian).
openaire   +3 more sources

A characterization of a special ordering in a root system [PDF]

Proceedings of the American Mathematical Society, 1994
We give necessary and sufficient conditions for an ordering of a set of positive roots in a root system R R to be ...
openaire   +2 more sources