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Error message for the commands followed from example for exponential fit

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Ramakrishnan Vaidyanathan
Ramakrishnan Vaidyanathan on 15 Jul 2017
Answered: Walter Roberson on 15 Jul 2017
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'

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Answers (1)

Walter Roberson
Walter Roberson on 15 Jul 2017
fit() requires that you have the Curvefitting Toolbox installed and licensed.

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