> On Jun 19, 2020, at 5:14 PM, Paul A. Rubin <parubi...@gmail.com> wrote: > > On 6/19/20 7:34 PM, list_em...@icloud.com wrote: >>> On Jun 19, 2020, at 8:15 AM, Paul A. Rubin <parubi...@gmail.com> wrote: >>> >>> On 6/19/20 7:51 AM, list_em...@icloud.com wrote: >>>> I have tried mightily to get LyX to break long equations. I’ve studied >>>> multiple pages at stackexchange, both LaTeX and LyX, and can’t seem to get >>>> anything to work. >>>> >>>> I have had luck in the past with the second large block of code at this >>>> page: >>>> >>>> https://stackoverflow.com/questions/2904807/lyx-breaking-long-formula-lines >>>> >>>> but today I have some problems with it. >>>> >>>> First, it doesn’t work if the \text command appears inside my own LaTeX >>>> code that appears between \begin{dmath} and \end{dmath} or if I try to use >>>> the trick twice in the same document. (That’s a tentative analysis of the >>>> problem.) Specifically, LyX runs at 100% CPU eventually gives me a chance >>>> to abort and then follows up with this additional message: "The external >>>> program pdflatex finished with an error. It is recommended you fix the >>>> cause of the external program's error (check the logs)." >>>> >>>> Plus, I now want to to apply the line breaking to a line within an aligned >>>> environment (Insert -> Math -> Aligned Environment in the menu system.) >>>> This is causing things to look even worse, even though I added two >>>> “aligned” lines to the referenced code block. (If you look at the code >>>> you’ll see the obvious places to add the lines.) >>>> >>>> How do LyX-ers handle this? Is there “LyX” solution to breaking long >>>> equations? I’m OK with some ad hoc solution for now, or some ERT if it >>>> works. >>>> >>>> Thanks, >>>> Jerry >>>> >>>> >>> I've never used the breqn package, but with ordinary and AMS math >>> environments, hitting Ctrl-Enter in the middle of a long formula will break >>> it (inserting a line break, \\, in the LaTeX output). If that doesn't >>> achieve what you want, perhaps you could post a minimal example and a >>> specification of what the output should look like. >>> >>> Paul >>> >> Thanks, Paul. I’m on a Mac so of course Control-Enter has no meaning. >> Usually this translates to Mac-speak as Command-Enter. When I do >> Command-Enter in my equation, which is unfortunately inside a align >> environment, it instead adds a row to the matrix that represents the align >> environment. Ditto for Shift-Command-Enter. These two commands in LyX are >> mapped as Insert -> Formatting -> Ragged Line Break and Justified Line >> Break, respectively but invoking the menu commands with the cursor in my >> equation has exactly the same effect: adding a row to the align matrix >> (above the row where the cursor is.) When (Shift-)Command-Enter is done to a >> non-align display equation a similar thing happens except now the non-align >> equation is converted to an align equation with a blank new row _below_ the >> original equation. >> >> Right now I guess I would be pretty happy with merely a way to make >> Command-shift (Control-shift) do what is expected which is apparently break >> the equation instead of creating a new row. >> >> Jerry >> > Jerry, > > I just created an align environment with two equations, the left side of the > first being ridiculously long. When I put the cursor somewhere toward the > middle of the left side of the long equation and inserted a break (using > Ctrl-Enter -- I'll get to the Mac part in a minute), it broke the equation > and inserted a new row. So > > (x+x+x+x+...+x) =1 > y =2 > > (where the right column contained the equal signs and integers) became > > (x+x+x+... > +x+x+x+x) =1 > y =2 > > where the right column is empty in the first row. See the attached minimal > example. Is this not what you want? > > Regarding the key mapping, if you can find an unused key combo that you have > a chance of remembering, you can map it to "newline-insert newline" using > Tools > Preferences... > Editing > Shortcuts. That's what Ctrl+Enter binds to > for me. > > Paul > > <breakeq.lyx>—
Paul, I’ve attached an example showing a few things, mainly that Command-(Control-)-Enter works with your equation and the equation from Section 18 of the Math manual but not with my equation. Jerry
Breaking Bad.lyx
Description: Binary data
-- lyx-users mailing list lyx-users@lists.lyx.org http://lists.lyx.org/mailman/listinfo/lyx-users
