summaryrefslogtreecommitdiff
path: root/Master/texmf/doc/asymptote/examples/log2graph.asy
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf/doc/asymptote/examples/log2graph.asy')
-rw-r--r--Master/texmf/doc/asymptote/examples/log2graph.asy17
1 files changed, 17 insertions, 0 deletions
diff --git a/Master/texmf/doc/asymptote/examples/log2graph.asy b/Master/texmf/doc/asymptote/examples/log2graph.asy
new file mode 100644
index 00000000000..238f4126274
--- /dev/null
+++ b/Master/texmf/doc/asymptote/examples/log2graph.asy
@@ -0,0 +1,17 @@
+import graph;
+size(200,IgnoreAspect);
+
+// Base-2 logarithmic scale on y-axis:
+
+real log2(real x) {static real log2=log(2); return log(x)/log2;}
+real pow2(real x) {return 2^x;}
+
+scaleT yscale=scaleT(log2,pow2,logarithmic=true);
+scale(Linear,yscale);
+
+real f(real x) {return 1+x^2;}
+
+draw(graph(f,-4,4));
+
+yaxis("$y$",ymin=1,ymax=f(5),RightTicks(Label(Fill(white))),EndArrow);
+xaxis("$x$",xmin=-5,xmax=5,LeftTicks,EndArrow);