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Generalized estimation of missing observations in nonlinear time series model using state space representation
(Science Publishing Group, 2013-01-01)
The aim of the study was to formulate a Time Series Model to be used in obtaining optimal estimates of missing observations. State space models and Kalman filter were used to handle irregularly spaced data. A non-Bayesian ...
Botanical composition and selective feeding by goats in the semi-arid Lands of central-eastern Kenya
(2013)
Botanical composition of University of Nairobi’s Machang’a Field Station, Mbeere, in the Semi-arid Central-Eastern
rangelands of Kenya was inventoried by reconnaissance survey. Relative abundance of the various plant ...
Stability bifurcation Analysis of a fishery model with nonlinear variation in market price
(HIKARI Ltd: Applied Mathematical Sciences, 2018-01-01)
Stability bifurcation Analysis of a fishery model with nonlinear variation in market price
We develop a fishery model with price dependent harvesting by formulating a system of three differential equations describing its ...
Suborbital Graphs and their Properties for ordered Triples in An (n = 5, 6, 7) Through Rank and Subdegree Determination
(International Journal of Engineering and Mathematical Sciences, 2016-06-01)
In this paper, through computation of the rank and subdegrees of alternating group An (n-5,6,7) on ordered triples we construct the suborbital graphs corresponding to the suborbits of these triples. When An(n ≥ 5) acts ...
Distribution of spectrum in a direct sum decomposition of operators into normal and completely non-normal parts
(Modern Scientific press : IJMMS, 2014-01-01)
We discuss the distribution of spectra of a direct sum decomposition of an arbitrary operator into normal and completely non normal parts. We utilize the fact that any given operator 𝑇∈𝐵(𝐻) can be decomposed into a ...
Effect of packaging materials on weight loss and nutrient quality changes of rechanded sweet potatoes (Ipomoea batatas Poir) during short-term storage
(2004)
The effects of packaging materials on weight loss and nutrient quality changes of recharged submerged in clean tap water) sweet potatoes (Ipomoea batatas Poir) roots during storage were determined. Sweet potatoes from two ...
Towards a cost effective method for estimating disease infection rates in plants
(All Scientific Journals : International Journal of Advanced Scientific Research, 2017-07-01)
Pool-testing involves investigating more than one unit with a single test for cost effectiveness. Rather than testing an individual plant for the presence of a disease, plants are put into groups of more than one unit and ...
Effect of packaging material on shelf Life and quality of ware potato tubers stored at ambient tropical temperatures
(Springer Netherlands, 2018-09-01)
The effect of seven packaging materials (transparent perforated and non-perforated high-density polyethylene (HDPE) bags, black perforated and non-perforated low-density polyethylene (LDPE) bags, nylon gunny sacks, khaki ...
Growth and nutrient content of cowpea (Vigna unguiculata L.) in acidic soils of south western Kenya
(2018-11-10)
Field experiments were carried out in Kericho East (0°22' S, 35°17' E) and Bomet central (0°47' S, 35°21' E) to determine the effects of liming and phosphorous (P) fertiliser on nodulation, growth, yield and nutrient content ...
Controllability of a quasi-linear heat equation
(Asian Academic Research Associates : AARJMD, 2015-04-01)
In this article we have examined the controllability of the quasi-linear heat equation. We
considered distributed controls with support in a small sub-domain. We assumed that the
quasi-linear terms are locally Lipschitz. ...