Digital Library of Mathematical Functions
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22 Jacobian Elliptic FunctionsProperties22.16 Related Functions

Figure 22.16.3 (See in context.)

See accompanying text
Figure 22.16.3: Jacobi’s zeta function \mathop{\mathrm{Z}\/}\nolimits\!\left(x|k\right) for 0\leq x\leq 10\pi and k=0.4,0.7,0.99,0.999999.