来源：学生作业帮 编辑：灵鹊做题网作业帮 分类：综合作业 时间：2024/04/28 08:49:58
用matlab中的最小二乘法拟合指数函
x=[0.0712,0.0803,0.0264,0.0081,0.0242,0.0464,0.0247,0.0037,0.0036];
y=[0.1436,0.1495,0.1320,0.0424,0.0662,0.0439,0.0178,0.0188,0.0094];
拟合一个月＝1－exp(x/a)^2的函数 急用 最好上机实践下 急用
y-1=exp(x/a)^2
两边取对数,化成线性拟和
然后polyfit
灵鹊做题网