Aggiunto a onde la sezione energetica, aggiunte alla lib le derivate con x e x^2

2026-03-20 20:59:49 +01:00
parent 81ada982df
commit e3193459b1
3 changed files with 96 additions and 0 deletions
--- a/jacbr.sty
+++ b/jacbr.sty
@@ -116,6 +116,8 @@
 %derivata
 \newcommand{\dert}[1]{\frac{d #1}{dt}}
 \newcommand{\dertt}[1]{\frac{d^2 #1}{dt^2}}
+\newcommand{\derx}[1]{\frac{d #1}{dx}}
+\newcommand{\derxx}[1]{\frac{d^2 #1}{dx^2}}
 \newcommand{\der}[2]{\frac{d #1}{d #2}}
 %per le parentesi
 \newcommand{\8}{\left(}