Yup! The last two lines break the backlash-right clause. Cool tool! Thanks.
On Wed, Aug 31, 2011 at 8:57 PM, Ted Dunning <[email protected]> wrote: > Hmm... I see this: > > > http://latex.codecogs.com/gif.latex?F(x,y)=0%20~~\mbox{and}~~%20\left|%20\begin{array}{ccc}%20F''_{xx}%20&%20F''_{xy}%20&%20F'_x%20\\%20F''_{yx}%20&%20F''_{yy}%20&%20F'_y%20\\%20F'_x%20&%20F'_y%20&%200%20\end{array}\right|%20=%200<http://latex.codecogs.com/gif.latex?F%28x,y%29=0%20%7E%7E%5Cmbox%7Band%7D%7E%7E%20%5Cleft%7C%20%5Cbegin%7Barray%7D%7Bccc%7D%20F%27%27_%7Bxx%7D%20&%20F%27%27_%7Bxy%7D%20&%20F%27_x%20%5C%5C%20F%27%27_%7Byx%7D%20&%20F%27%27_%7Byy%7D%20&%20F%27_y%20%5C%5C%20F%27_x%20&%20F%27_y%20&%200%20%5Cend%7Barray%7D%5Cright%7C%20=%200> > > Must be a cut and paste kind of thing. > > On Wed, Aug 31, 2011 at 10:50 PM, Ken Krugler > <[email protected]>wrote: > > > > F(x,y)=0 ~~\mbox{and}~~ > > > \left| \begin{array}{ccc} > > > F''_{xx} & F''_{xy} & F'_x \\ > > > F''_{yx} & F''_{yy} & F'_y \\ > > > F'_x & F'_y & 0 > > > \end{array}\ > > > right| = 0 > > > > The codecogs.com site says that it's an invalid equation. > -- Lance Norskog [email protected]
