A technique based on reduction of order for solving ordinary differential equations is developed to find exact solutions for a generalized KdV-mKdV equation tha
By applying a nonlinear control and arranging a transient process, the initiative error of the pneumatic servo positioning system is reduced largely, and a larg
Residuated lattice is an important non-classical logic algebra,and L-fuzzy rough set based on residuated lattice can describe the information with incompletenes