How can I check since which Matlab version a function exists?

Question

It was impossible in 2007, but is there now a way to check which Matlab versions a function exists for?

For example, in Wolfram Mathematica, the documentation indicates in which version the function was released: e.g. the GapPenalty() documentation mentions "New in 7".

Answer 1

Have a look to the FEX function when.