Asymptote: Graphing
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Note These example are for the AoPS forums, If you want to use them on your computer, you must "import graph;".
There are two parts to a graph.
The axes' codes:
Label f; f.p=fontsize(6); xaxis(-8,8,Ticks(f, 2.0)); yaxis(-8,8,Ticks(f, 2.0));
This means ticks at an interval of 2.0, between -8 and 8 for both the x and y axes.
And the graph code:
real f(real x) { return x^3; } draw(graph(f,-2,2));
The return is the function of the graph, and the draw command draws the graph from the coordinate of to .
We can also alter the ticks code. For example, if we want intervals of 2 labeled, then 0.5 in between each one, we can use the following code:
Label f; f.p=fontsize(6); xaxis(-8,8,Ticks(f, 2.0,0.5)); yaxis(-8,8,Ticks(f, 2.0,0.5));
This graph, like with any draw command, can have several attributes fixed to it, such as color:
import graph; size(300); Label f; f.p=fontsize(6); xaxis(-8,8,Ticks(f, 2.0)); yaxis(-8,8,Ticks(f, 2.0)); real f(real x) { return x^3; } draw(graph(f,-2,2),green+linewidth(1));
Remember, you can still draw normal functions, so you can create lines, circles and ellipses.