
\atopwithdelims - Command to create fractions without fraction bar
{ sub-formula1 \atopwithdelims delimiter1 delimiter2 sub-formula2 }
\atopwithdelims command is a general command for making a fraction-like structure, but without the horizontal fraction bar; specifies left and right enclosing delimiters.
| Input | Description |
|---|---|
| sub-formula1 | Displayed as Numerator |
| delimiter1 | Displayed before the fraction |
| delimiter2 | Displayed after the fraction |
| sub-formula2 | Denominator |
a+1 \atopwithdelims [ ] b
{a \atopwithdelims . | b+2}_{a=3}
{a+1 \atopwithdelims \{ \} b+2}+c