The ring of quaternion over R,denoted by R[i,j,k],is a quaternion algebra. In this paper,the roots of quadratic equation with one variable in quaternion field a
Based on the two-stage Stackelberg game method,value creation of supply chain cooperation between coal enterprise and power utilities is studied by formulating
Tail dependence structure model based on Copula theory and extreme value theory(EVT) is constructed to picture the tail correlation of financial time series mor
The control stability of the end manipulator of a cable-suspended Stewart platform in disturbance was studied by combination of the multi-body system dynamics a
To measure the length of traffic queue, a vehicle motion model at intersections was built, and based on it the effective traffic queue was defined. Color images