How to draw graphs of functions of a complex variable

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  • 複素関数を描く

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I consider the graphs of the functions of a complex variable in this paper. 　I cannot draw it directly, the functions from complex number to complex number. Because a thought method to look around the perspective from the part is necessary, high content will be found mathematically. If it can be visualized in a part easily, I become able to understand the total picture by putting them on top of one another in imagination. And this is regarded as typical mathematical activity. Therefore I decided to use an information appliance to be able to perform visualization instantly. I calculated the theoretical numerical value by C language and used drawing software Gnuplot with practice numerical value. We are dealing with fluid dynamics as a specific example. 　I really report the contents which let a university student test it by a class here.

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