Formula:6030

Digital Library of Mathematical Functions ID 17.2.E43

${\displaystyle{\displaystyle\mathcal{D}_{q}(f(z)g(z))=g(z)f^{[1]}(z)+f(zq)g^{[1]}(z).}}$

Symbols List

• ${\displaystyle{\displaystyle q}}$: complex base
• ${\displaystyle{\displaystyle z}}$: complex variable
• ${\displaystyle{\displaystyle\mathcal{D}_{q}}}$: $$q$$ -differential operator (locally)
 

Resources that cite this formula

No records found.