LaTeX.org

stefanfuglsang

I am using something like this for a piecewise defined function:

f(x)=\left\{
\begin{array}{c l}	
    x & x>0\\
    -x & x<0
\end{array}\right.

Note the \right. to avoid error messages (missing })

stefanfuglsang

I need a extendible version of \angle{}, such that the horizontal line underlines the entire angle, like this:
A/ angle

I have tried the very primitive \def\myangle#1{{\Large/\!\!\!\underline{\;\;#1}}}, but it is not very good, and it breaks appart for letters like g or y.

Any suggestions are ...

LaTeX.org

Search found 2 matches

2 Line equation with a large brace

Angle symbol for complex polar notation