approach function split

delta function (=δ-function)

Directional distance function approach

equalization function

equivalent energy function approach

exact peanalty function approach

function approach

function equation

function， function key

implicit function equation

linearization function equation

Maximum-Likelihood Function Approach

modified barrier function approach

optimal function equation

penalty function approach

rational mapping function approach

spline function equation

weight function approach

(2+1) dimensional shallow water wave equation equation