Digital Library of Mathematical Functions
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25 Zeta and Related FunctionsRelated Functions25.12 Polylogarithms

Figure 25.12.2 (See in context.)

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Figure 25.12.2: Absolute value of the dilogarithm function \left|\mathop{\mathrm{Li}_{2}\/}\nolimits\!\left(x+iy\right)\right|, -20\leq x\leq 20, -20\leq y\leq 20. Principal value. There is a cut along the real axis from 1 to \infty.
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\mathop{\mathrm{Li}_{2}\/}\nolimits\!\left(z\right): dilogarithm and x: real variable
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