Definition:qsinKLS

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The LaTeX DLMF and DRMF macro \qsinKLS represents a q π‘ž {\displaystyle{\displaystyle q}} -analogue of the sin {\displaystyle{\displaystyle\sin}} function: sin q KLS-q-sin π‘ž {\displaystyle{\displaystyle\mathrm{sin}_{q}}} .

This macro is in the category of real or complex valued functions.

In math mode, this macro can be called in the following ways:

\qsinKLS{q} produces sin q KLS-q-sin π‘ž {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}_{q}}}}
\qsinKLS{q}@{z} produces sin q ⁑ ( z ) KLS-q-sin π‘ž 𝑧 {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}_{q}\!\left(z\right)}}}
\qsinKLS{q}@@{z} produces sin q ⁑ z KLS-q-sin π‘ž 𝑧 {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}_{q}z}}}

These are defined by sin q ⁑ ( z ) := e q ⁑ ( i z ) - e q ( - i z ) 2 ⁒ i = βˆ‘ n = 0 ∞ ( - 1 ) n ⁒ z 2 ⁒ n + 1 ( q ; q ) 2 ⁒ n + 1 assign KLS-q-sin π‘ž 𝑧 KLS-q-exp π‘ž fragments imaginary-unit z ) e π‘ž ( imaginary-unit z 2 imaginary-unit superscript subscript 𝑛 0 superscript 1 𝑛 superscript 𝑧 2 𝑛 1 q-Pochhammer-symbol π‘ž π‘ž 2 𝑛 1 {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}_{q}\!\left(z\right):=% \frac{\mathrm{e}_{q}\!\left(\mathrm{i}z)-{\mathrm{e}}_{q}(-\mathrm{i}z\right)}% {2\mathrm{i}}=\sum_{n=0}^{\infty}\frac{(-1)^{n}z^{2n+1}}{\left(q;q\right)_{2n+% 1}}}}}

Symbols List

sin q subscript sin π‘ž {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}_{q}}}}  : q π‘ž {\displaystyle{\displaystyle{\displaystyle q}}} -analogue of the sin {\displaystyle{\displaystyle{\displaystyle\sin}}} function used in KLS: sin q subscript π‘ž {\displaystyle{\displaystyle{\displaystyle\sin_{q}}}}  : http://drmf.wmflabs.org/wiki/Definition:qsinKLS
sin sin {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}}}}  : sine function : http://dlmf.nist.gov/4.14#E1
e q subscript e π‘ž {\displaystyle{\displaystyle{\displaystyle\mathrm{e}_{q}}}}  : q π‘ž {\displaystyle{\displaystyle{\displaystyle q}}} -analogue of the exp {\displaystyle{\displaystyle{\displaystyle\exp}}} function used in KLS: e q subscript e π‘ž {\displaystyle{\displaystyle{\displaystyle\mathrm{e}_{q}}}}  : http://drmf.wmflabs.org/wiki/Definition:qexpKLS
i i {\displaystyle{\displaystyle{\displaystyle\mathrm{i}}}}  : imaginary unit : http://dlmf.nist.gov/1.9.i
Ξ£ Ξ£ {\displaystyle{\displaystyle{\displaystyle\Sigma}}}  : sum : http://drmf.wmflabs.org/wiki/Definition:sum
( a ; q ) n subscript π‘Ž π‘ž 𝑛 {\displaystyle{\displaystyle{\displaystyle(a;q)_{n}}}}  : q π‘ž {\displaystyle{\displaystyle{\displaystyle q}}} -Pochhammer symbol : http://dlmf.nist.gov/5.18#i http://dlmf.nist.gov/17.2#SS1.p1