Two statements next to curly brace in an equation

Question

How can I write an equation with one curly brace      and on the right-hand side next to the curly  two statements in two different lines

User · Answer

Are you looking for    begin cases    math text  end cases    It wasn t very clear from the description  But may be this is what you are looking for http   en wikipedia org wiki Help Displaying a formula Continuation and cases

User · Answer

You can try the cases env in amsmath    documentclass article   usepackage amsmath    begin document    begin equation    f x   begin cases      1   amp   text if  x lt 0          0   amp   text otherwise      end cases   end equation    end document

User · Answer

Or this   f x   begin cases  0   amp  - pi leqslant x  lt 0    pi   amp  0  leqslant x  leqslant   pi  end cases

User · Answer

That can be achieve in plain LaTeX without any specific package    documentclass article   begin document  This is your only binary choices  begin math     left        begin array  l        0         1      end array     right   end math   end document    This code produces something which looks what you seems to need     The same example as in the  Tombart can be obtained with similar code    documentclass article    begin document    begin math    f x   left        begin array  ll        1   amp   mbox if  x lt 0            0   amp   mbox otherwise        end array     right   end math    end document    This code produces very similar results

User · Answer

To answer also to the comment by  MLT  there is an alternative to the standard cases environment  not too sophisticated really  with both lines numbered  This code    documentclass article   usepackage amsmath   usepackage cases    begin document    begin numcases  f x      1   amp  if  x lt 0      0   amp  otherwise  end numcases    end document    produces    Notice that here  math must be delimited by         or        at least on the right of  amp  in each line  reference

[latex] Two statements next to curly brace in an equation

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