Digital Library of Mathematical Functions
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20 Theta FunctionsProperties20.3 Graphics

Figure 20.3.17 (See in context.)

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Figure 20.3.17: \mathop{\theta_{{4}}\/}\nolimits\!\left(\pi x+iy,0.12\right), -1\leq x\leq 1, -1\leq y\leq 1.5.