Carlos Sosa Paz schrieb:
Dear all I this is part of the latex code that i am using in Lyx, ...I can generate the pdf file with 2 columns but I have a problem trying to add the third 3 column.
I cannot help you without a small LyX example file. But perhaps you find a way not to use directly LaTeX code to generate your formula when looking in the new math manual that comes with LyX 1.5.4.
regards Uwe
