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求助最小二乘法拟合问题 。
数据xdata=[50 100 150 400 800]; ydata=[0.797595 0.754736 0.718371 0.555379 0.411674]; 带拟合函数：y=(1-f)*exp(-b*x)+f*exp(-c*x). 当x大于...
3 years ago | 1 answer | 0
