System information

• Cantera version: 2.4.0
• OS: Windows 10
• MATLAB version:

Following the post in the google group forum titled 'composite' Functor Matlab, the problem is with composing Functors. One member advised that the code was incorrectly written/implemented.

To Reproduce
Taking the example of a function (1- (sin(x)^2))^(1/2), the following code was used

fs = Func('fourier',1,[0,0,1,1])  % sin(x)
fs2 = Func('prod',fs,fs)  % (sin(x)^2) 
fs2_1 = Func('diff',Func('polynomial',0,1),fs2)  % 1-(sin(x))^2 
sqrtF = Func('arrhenius',1,[1,0.5,0])  % sqrt function
% now is the challenging part
Func('composite', sqrtF, fs2_1)

Actual behavior
Either always results in 0 or NaN.
I also tried composing other (simpler) functions but to no avail.

Nonetheless, Cantera great software and indispensable in my toolbox.
Thanks
Aneesh