Slope of non linear curve

[altenbach]

Look again. There are two slightly different exponential functions and the one I used includes the -1. (Right-click...help).

[djac91]

my bad. sorry..

[altenbach · Accepted solution]

The model vi is required to be strictly typed, corresponding to the template mentioned in the help. This means that all connectors must match, even if they are not used. Some optional connectors can be quite useful in more complicated cases (further reading). 🙂

[aidasaufi]

Both of you really helpful. The vi is finally worked when I use both of solution and the values are very close.