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Error message for the commands followed from example for exponential fit

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Ramakrishnan Vaidyanathan
Ramakrishnan Vaidyanathan 2017 年 7 月 15 日
回答済み: Walter Roberson 2017 年 7 月 15 日
I used the the following example from MATLAB examples, but gives an error
x = (0:0.2:5)'; y = 2*exp(-0.2*x) + 0.1*randn(size(x)); f = fit(x,y,'exp1')
plot(f,x,y)
Undefined function 'fit' for input arguments of type 'double'

回答 (1 件)

Walter Roberson
Walter Roberson 2017 年 7 月 15 日
fit() requires that you have the Curvefitting Toolbox installed and licensed.

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