It is fast enough compared to:
For
the answer is no.
It is fast enough compared to:
For
the answer is no.
Can I ask, did you solve your main problem?
yes I did I think. It was solved on Feb 21 above (I’ve just marked it as a “solution”).
The essence of “my” method is to turn an expression into a function. As a result the function could be called (locally) anywhere.