Coding a Circle Plot: C Scripting with Gnuplot

Published: 01 January 1970
on channel: DVD

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In this video, I'll explain the process of generating a circle using a script in the C programming language and Gnuplot. Focusing on the mathematical aspects (geometry), I'll explain how the two "for" statements in the script are crucial for constructing the right and left parts of the circle. The first "for" statement controls the iteration of the x variable from 0 to the radius (r) of the circle, generating the corresponding y values in the range from -radius ( -r ) to radius ( +r ), with a specified step ( delta ). This defines the right part of the circle. On the other hand, the second "for" statement iterates the x variable from 0 to minus the radius of the circle, generating the corresponding y values from +radius to -radius, completing the left part of the circle. This interconnected approach between mathematics and coding ensures the precise and efficient creation of a circle using Gnuplot and C.

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