quad function problems and parameter passing

[William Peters]

I am having trouble using the quad function.  The first time I invoke the
function it works fine, but afterwards it gives an error.  For example:

octave:1>  quad('sin',0,pi)
ans = 2
octave:2>  quad('sin',0,pi)
error: quad: invalid recursive call
error: evaluating index expression near line 2, column 2

I am using version 2.0.15.  Is this a bug that has been fixed in later
versions?

Another question:  Is there a way to pass additional parameters to funtions
when using quad or fsolve?  I've encountered many cases where this comes in
handy.  I've been able to get around this by using global variables, but
it's a kludge.




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