On Mon, Apr 26, 2010 at 7:15 PM, Dan S <PhillyFlyers at mail2dan.com> wrote:
> Now I have entered
> "diff(arccos(x^2+8.363+267)/(sqrt(x^2-4.29x+1042)(x^2+12.8102x+1177))), x);"
> into Maxima, which I assume should be the right format from the tutorials I
> have read; but I get an error "incorrect syntax: X is not an infix operator
> 64)/(sqrt(x^2-4.29x+" there is an arrow pointing at the x after -4.29
You have to put in a multiplication sign -- Maxima doesn't assume that
(for example) 2 x means 2 times x. You have to write it as 2*x
(asterisk is the multiplication sign).
Hope this helps, & good luck.
Robert Dodier