Euler's diagrams also represent logical relationships but do not necessarily use all possible intersections of sets, which is a defining feature of Venn diagrams. Venn studied and taught logic and ...

In this paper it introduces grey modelling method optimized by genetic algorithm. The grey prediction model of natural gas consumption is given. An example is given to verify the model and contrast ...

Abstract: In order to solve the problems of low prediction accuracy and slow parameter tuning of ship fuel consumption model constructed based on Bidirectional ... which can provide a certain ...