User:5849206328x: Difference between revisions

Revision as of 10:24, 28 April 2015

$[asy] Label f; f.p=fontsize(6); xaxis(0,4); yaxis(-2,3); real e = 2.718281828459045235360287471352662497757247093699959574966967627724076630353; real y(real t, real a) { return (a - e^(-t^2))/(a + e^(-t^2)); } real f(real x) { return y(x,1); } real g(real x) { return y(x,-3); } real h(real x) { return y(x,1/5); } real j(real x) { return y(x,-1/5); } draw(graph(f,0,4),red); draw(graph(g,0,4),darkgreen); draw(graph(h,0,4),blue); draw(graph(j,0,0.71),purple); draw(graph(j,1.52,4),purple); draw((0,1)--(4,1),dashed); draw((0,-1)--(4,-1),dashed); label("$-3/2$",(0,-3/2),W); label("$-1$",(0,-1),W); label("$-2/3$",(0,-2/3),W); label("$0$",(0,0),W); label("$1$",(0,1),W); label("$2$",(0,2),W); [/asy]$

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User:5849206328x: Difference between revisions

Revision as of 10:24, 28 April 2015

@@ Line 2: / Line 2: @@
 Label f;
 f.p=fontsize(6);
-xaxis(0,2);
+xaxis(0,4);
-yaxis(0,2);
+yaxis(-2,3);
 real e = 2.718281828459045235360287471352662497757247093699959574966967627724076630353;
-real f(real x) { return 1.8 * e^((-3) * x); }
+real y(real t, real a) { return (a - e^(-t^2))/(a + e^(-t^2)); }
-real g(real x) { return (-1.8) * e^((-3) * x) + 1.8 * e^((-1) * x); }
+real f(real x) { return y(x,1); }
+real g(real x) { return y(x,-3); }
+real h(real x) { return y(x,1/5); }
+real j(real x) { return y(x,-1/5); }
-draw(graph(f,0,2));
+draw(graph(f,0,4),red);
-draw(graph(g,0,2));
+draw(graph(g,0,4),darkgreen);
+draw(graph(h,0,4),blue);
+draw(graph(j,0,0.71),purple); draw(graph(j,1.52,4),purple);
+draw((0,1)--(4,1),dashed);
+draw((0,-1)--(4,-1),dashed);
-label("$\mathtt{B}$",(0.7,0.7),N);
+label("$-3/2$",(0,-3/2),W);
-label("$\mathtt{A}$",(0.7,0.25),N);
+label("$-1$",(0,-1),W);
+label("$-2/3$",(0,-2/3),W);
+label("$0$",(0,0),W);
+label("$1$",(0,1),W);
+label("$2$",(0,2),W);
 </asy>