用遗传算法实现函数优化

				-2.042875  0.260445  
				-1.256226  1.264601  
				0.348198  -0.082440  
				-0.613206  1.621862  
				1.322353  1.010093  
				-1.334853  1.470232  
				0.862214  0.055439  
				-0.802837  -1.986623  
				-1.673614  -0.555204  
				-1.444607  -1.368479  
				2.000999  -0.222444  
				-1.560235  -2.028874  
				-2.011499  -0.500203  
				0.129691  0.291571  
				0.416825  0.438951  
				-1.367104  0.667833