Alternative Equation Formats

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MathML

c_{k} (ρ) = {\begin{cases} \frac{1}{q + 1} \sum_{j = 0}^{q} \ln (1 - ρ \cos θ_{j}) \cos (k θ_{j}) & if k = 0 \\ \frac{2}{q + 1} \sum_{j = 0}^{q} \ln (1 - ρ \cos θ_{j}) \cos (k θ_{j}) & if k > 0 \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\begin{equation*} c_{k}(\rho )= \begin{cases} \frac{1}{q+1}\sum _{j=0}^{q}\ln (1-\rho \cos \theta _{j})\cos (k\theta _{j}) & \mbox{if} \ k=0 \\ \frac{2}{q+1}\sum _{j=0}^{q}\ln (1-\rho \cos \theta _{j})\cos (k\theta _{j}) & \mbox{if} \ k>0 \end{cases}\end{equation*}