[LON-CAPA-dev] How does formularesponse work
Guy Albertelli II
Tue, 22 May 2007 14:57:58 -0400 (EDT)
Looks like a typo.
> we have a problem using formula response here, which brings up the
> question how it works internally. Unfortunately, I am not really capable
> of understanding what is going on in caparesponse.pm.
> So far, my idea of formularesponse has been that it runs nested
> for-loops w.r.t. the sampling variables. For instance,
> <formularesponse samples="x,y@-3,-3,;2,2#4" answer="$answer" id="11">
> should result in something like
> for each x value
> for each y value
> check whether $answer evaluated at x and y equals
> response evaluated at x an y
> if not break out of the for loops and return false
Yes, it should, however you have a ; where you want a :
Will sample at x=-3,y=-3, and x=2,y=2
Will sample at 4 random points in the box defined by -3 <= x <= 2, and
-3 <= y <= 2
> <formularesponse samples="x,z,t,C@-3,-3,-3,-3;2,2,2,2#4"
> answer="$integral" id="11">
and similarly here there is a ; where you likely want a :