I am trying to get a macro that takes 2 argument and displays the derivative of x to order n. I type the following onto the Lyx page
Code: Select all
\newcommand{\diff}[2]{\dfrac{d^{#2}}{d#1^{#2}}}
Code: Select all
\newcommand{\diff}[2]{\dfrac{d^{#2}}{d#1^{#2}}}
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"Doesn't work" maybe, but it's not a problem description that we could work with. Any error message? Perhaps post abobred wrote: I have tried copying the source code into the preamble but the macro doesn't work then.
NEW: TikZ book now 40% off at Amazon.com for a short time.
And: Currently, Packt sells ebooks for $4.99 each if you buy 5 of their over 1000 ebooks. If you choose only a single one, $9.99. How about combining 3 LaTeX books with Python, gnuplot, mathplotlib, Matlab, ChatGPT or other AI books? Epub and PDF. Bundle (3 books, add more for higher discount): https://packt.link/MDH5p