Error in 2d plotting with romberg as expression....



Hello,
I have problem using romberg function inside plot2d. Here is simplified
example of what I'm trying to do:

> (%i4) plot2d(romberg(x,x,0,t),[t,0,10]);

then I get this:

> Maxima encountered a Lisp error: Error in MACSYMA-TOP-LEVEL [or a callee]: $T is not of type (OR RATIONAL LISP:FLOAT).

I tried some monkey does to get rid of it and to get plot plotted, but I
failed. Now whats had to be a one minute solution got me stuck. Sorry if
its trivial question, but I'm beginner user and couldn't find or make
any solution basing on my current understanding of The Maxima...

Thanks in advance
	Grzegorz Hermanowicz


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