How to graph a logistic equation using tikz











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I am not sure why this doesn't work. At first I thought the issue was x values close to zero. So I broke it up into two separate graphs that ignored x values close to zero. I have tried copying code snippets form others. Theirs works (using different function to graph, but mine does not.



documentclass{standalone}

usepackage{tikz}

begin{document}

begin{center}
begin{tikzpicture}[scale=0.1]
draw [<->,very thick] (0,-10) -- (0,100) node [above] {$y$};
draw [<->,very thick] (-10,0) -- (160,0) node [right] {$x$};
draw [domain=-10:160,samples=1000] plot (x,{2500*exp(0.05*x)/(100+25*(exp(0.05*x)-1))});
end{tikzpicture}
end{center}









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  • It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
    – nidhin
    2 mins ago















up vote
0
down vote

favorite












I am not sure why this doesn't work. At first I thought the issue was x values close to zero. So I broke it up into two separate graphs that ignored x values close to zero. I have tried copying code snippets form others. Theirs works (using different function to graph, but mine does not.



documentclass{standalone}

usepackage{tikz}

begin{document}

begin{center}
begin{tikzpicture}[scale=0.1]
draw [<->,very thick] (0,-10) -- (0,100) node [above] {$y$};
draw [<->,very thick] (-10,0) -- (160,0) node [right] {$x$};
draw [domain=-10:160,samples=1000] plot (x,{2500*exp(0.05*x)/(100+25*(exp(0.05*x)-1))});
end{tikzpicture}
end{center}









share|improve this question






















  • It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
    – nidhin
    2 mins ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am not sure why this doesn't work. At first I thought the issue was x values close to zero. So I broke it up into two separate graphs that ignored x values close to zero. I have tried copying code snippets form others. Theirs works (using different function to graph, but mine does not.



documentclass{standalone}

usepackage{tikz}

begin{document}

begin{center}
begin{tikzpicture}[scale=0.1]
draw [<->,very thick] (0,-10) -- (0,100) node [above] {$y$};
draw [<->,very thick] (-10,0) -- (160,0) node [right] {$x$};
draw [domain=-10:160,samples=1000] plot (x,{2500*exp(0.05*x)/(100+25*(exp(0.05*x)-1))});
end{tikzpicture}
end{center}









share|improve this question













I am not sure why this doesn't work. At first I thought the issue was x values close to zero. So I broke it up into two separate graphs that ignored x values close to zero. I have tried copying code snippets form others. Theirs works (using different function to graph, but mine does not.



documentclass{standalone}

usepackage{tikz}

begin{document}

begin{center}
begin{tikzpicture}[scale=0.1]
draw [<->,very thick] (0,-10) -- (0,100) node [above] {$y$};
draw [<->,very thick] (-10,0) -- (160,0) node [right] {$x$};
draw [domain=-10:160,samples=1000] plot (x,{2500*exp(0.05*x)/(100+25*(exp(0.05*x)-1))});
end{tikzpicture}
end{center}






tikz-pgf






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asked 13 mins ago









Garth Fleming

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  • It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
    – nidhin
    2 mins ago


















  • It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
    – nidhin
    2 mins ago
















It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
– nidhin
2 mins ago




It is because the dimension is too large to plot. Changing the domain is an option. If that's okay.
– nidhin
2 mins ago















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