利用粒子群优化算法寻找下列多元函数的最大值：f(x, y) = x*cos(2*pi*y) + y*sin



(2*pi*x) -2≤x≤2，-2≤y≤2

要求输出最优解、最优解对应的x和y值，以及粒子群优化算法迭代过程中的适应度函数进

化曲线。-Maximum use of particle swarm optimization algorithm to find the following



multivariate function: f (x, y) = x* cos (2* pi* y)+ y* sin (2* pi* x)



-2≤x≤2,-2 ≤y≤2

Required output optimal solution, x and y values corresponding to the optimal



solution, and the PSO iteration fitness function evolution curve.