通过应用双线性导数方法得到一个(3+1)-维KdV方程的N孤子解,利用Wronskian技巧该方程的Wronskian解形式也被得到.
By using bilinear derivation method,N-soliton solution of a (3 + 1 ) - dimensional KdV equation have been obtained. The Wronskian solution of the equation is got by means of the Wronskian technique.