Zhenhua Wu <[EMAIL PROTECTED]> writes: > But another problem. If I don't want to number the new defined equation > sequentially, e.g. I want to mark it as equation *. How to do this? What > should I enter in the "eq: ".
You should enter \tag in the equation and then press space. Put * in the placeholder and use whatever label you like. Be sure to uncheck "Use AMS math package automatically" and check "Use AMS math package" in "Document->Settings->Math Options". -- Enrico