Digital Library of Mathematical Functions
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21 Multidimensional Theta FunctionsProperties21.4 Graphics

Figure 21.4.4 (See in context.)

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Figure 21.4.4: A real-valued scaled Riemann theta function: θ^(x,y|Ω1), 0x4, 0y4. In this case, the quasi-periods are commensurable, resulting in a doubly-periodic configuration.