>>Date: Wed, 5 Jul 2000 13:05:19 -0700 (PDT)
>>From: "Anna H.Pryor" <[EMAIL PROTECTED]>
>>Subject: write the following in lyx
>>To: [EMAIL PROTECTED]
>>
>>Since I got such a speedy answer (which worked!) on my last question, I have
>>another.
>>
>>I wish to write the following latex code in lyx:
>>
>>
>>$$
>>y=f(y\_in)=\left\{
>> \begin{array}{ll}
>> 1 & \mathrm{if}\ y\_in > \theta , \\
>> 0 & \mathrm{if}\ -\theta \leq y\_in \leq
>>\theta,
>>+\\
>> -1 & \mathrm{if}\ y\_in < -\theta.
>> \end {array}
>> \right .
>>$$
>>
>>
>>I can get the left hand side, the one sided bracket and the 3x1 dimensional
>>array. The problem is that when I write the above elements in the array
>>positions I don't get any spacing between what comes before "if" and after.
>>In other words, I don't know how to control the spacing. I want the three
>>"if's" to line up on top of each other.
Ctrl-space in Lyx mathed or \, in LateX (small space)
\quad in mathed or Latex (big space)
--
Jean-Pierre
