Difference between revisions of "Relationship between q-derivative and derivative"
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− | + | ==Theorem== | |
− | + | The following formula holds: | |
− | $$\displaystyle\lim_{q \rightarrow 1} D_q f(x) = f'(x),$$ | + | $$\displaystyle\lim_{q \rightarrow 1^+} D_q f(x) = f'(x),$$ |
− | where $D_q$ denotes the [[q-derivative|$q$-derivative]] and $f'(x)$ denotes the [[derivative]] of $f$. | + | where $D_q$ denotes the [[q-derivative|$q$-derivative]] and $f'(x)$ denotes the [[derivative]] of $f$. |
− | + | ||
− | + | ==Proof== | |
− | + | ||
− | + | ==References== | |
+ | |||
+ | [[Category:Theorem]] | ||
+ | [[Category:Unproven]] |
Latest revision as of 01:05, 25 June 2016
Theorem
The following formula holds: $$\displaystyle\lim_{q \rightarrow 1^+} D_q f(x) = f'(x),$$ where $D_q$ denotes the $q$-derivative and $f'(x)$ denotes the derivative of $f$.