## Add space between the lines in multiline formulas

In LATEX additional line space is specified as optional argument of the new line command. This is not yet possible in LYX33, therefore the whole formula must be inserted in TEX-mode. To add in our example space, the command \\[3mm] is inserted at the end of the first line.

1. select the part you’re interested, View -> View Source, copy the TeX code

2. go to .lyx, Insert -> Tex code (Ctrl+L), paste the code into the redbox, and add \\[3mm] at the end of the first line

To set the line separation for all lines in a formula, the length \jot is changed.

1. load the LATEX-package calc in LATEX-preamble with the line

\usepackage{calc}

2. insert the command

\setlength{\jot}{3mm+3pt}

in TEX-mode before the formula

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