Powell优化算法是利用仪器测井理建立误差函数（非相关函数），借助Powell方向加速法求出非相关函数达到最小时的解.-Powell optimization algorithm is the use of the instrument logging rationale for the establishment of the error function (correlation function), with the Powell direction acceleration metho

国际象棋的n后问题相关算法的可行性解，时间复杂度，及棋盘生成。-The feasibility of the solution after n chess problems related algorithms, time complexity, and board production.

通过输入行数与坐标，输出棋盘的覆盖的相关的可行性的解。-By entering the number of lines and the coordinate output chessboard coverage related to the feasibility of the solution.