This article is about the 1073spx dynamic behavior of a prey-predator model exposed to the harvesting effect on prey.Firstly, the existence and stability of the fixed points of the model are obtained, and then the presence and direction of Neimark-Sacker bifurcation is examined.By using the bifurcation voyage et cie discount code theory, we show th
In this paper, we propose time series prediction methods for depth-averaged current velocities (DACVs) of underwater gliders.Based on historical DACV data, these methods can predict the DACVs of future profiles with good performance.Regarding DACVs as time series, we use backpropagation neural network and least squares support vector machine (LSSVM
Many cognominal parts exist in JT models exported by FORAN V70 R2.0 software, and this leads to an 1073spx increase in time consumption and the space analysis results becoming hard to process when using clearance analysis software to perform distance computing for such JT models.Aiming at this problem, an algorithm for merging component nodes is pu
It is a special moment in the history of STS.With the young discipline transitioning into a not so-young-field-anymore, there is plenty of reason read more for celebrations: defining groups are celebrating remarkable anniversaries and individual careers are celebrated when founding figures retire.These celebrations are also excellent moments for re