PGFplots: Plot end arrows without specifying domain
I want to draw functions in a standard way (like you would find in a textbook) using PGFplots. This question relates to the end arrows on a function.
Using restrict x to domain (and y) works for most functions, but has a problem with asymptotes, as in tan(deg(x)):
documentclass{standalone}
usepackage{pgfplots}
begin{document}
begin{tikzpicture}
begin{axis}[
samples=50,smooth,axis lines=middle,axis equal image=true,xmin=-3,xmax=3,ymin=-2,ymax=2,
restrict y to domain={pgfkeysvalueof{/pgfplots/ymin}:pgfkeysvalueof{/pgfplots/ymax}},
restrict x to domain={pgfkeysvalueof{/pgfplots/xmin}:pgfkeysvalueof{/pgfplots/xmax}}
]
addplot[ultra thick,<->,samples=150,smooth,red] {tan(deg(x))};
end{axis}
end{tikzpicture}
end{document}
The desired output should have arrows on the other intervals (and lines for the asymptotes would be nice, but that may be another issue altogether)
My goal is to plot any function in one command, like addplot[color,arrows] {function(x)}; without micromanaging domain restrictions. I know I could restrict the domain manually and add three plots of the same function.
Is there a generic way to make PGFplots show the proper arrows for all (most) functions, including those with asymptotes? This would include elementary functions like x^2, frac{1}{x}, sin(x), log(x). A perfect solution would also do polar functions like frac{1}{1-2*cos(theta)}, though that is outside the immediate scope of this question.
pgfplots
asked 12 mins ago
onomou
434
add a comment |
I want to draw functions in a standard way (like you would find in a textbook) using PGFplots. This question relates to the end arrows on a function.
Using restrict x to domain (and y) works for most functions, but has a problem with asymptotes, as in tan(deg(x)):
documentclass{standalone}
usepackage{pgfplots}
begin{document}
begin{tikzpicture}
begin{axis}[
samples=50,smooth,axis lines=middle,axis equal image=true,xmin=-3,xmax=3,ymin=-2,ymax=2,
restrict y to domain={pgfkeysvalueof{/pgfplots/ymin}:pgfkeysvalueof{/pgfplots/ymax}},
restrict x to domain={pgfkeysvalueof{/pgfplots/xmin}:pgfkeysvalueof{/pgfplots/xmax}}
]
addplot[ultra thick,<->,samples=150,smooth,red] {tan(deg(x))};
end{axis}
end{tikzpicture}
end{document}
The desired output should have arrows on the other intervals (and lines for the asymptotes would be nice, but that may be another issue altogether)
My goal is to plot any function in one command, like addplot[color,arrows] {function(x)}; without micromanaging domain restrictions. I know I could restrict the domain manually and add three plots of the same function.
Is there a generic way to make PGFplots show the proper arrows for all (most) functions, including those with asymptotes? This would include elementary functions like x^2, frac{1}{x}, sin(x), log(x). A perfect solution would also do polar functions like frac{1}{1-2*cos(theta)}, though that is outside the immediate scope of this question.
pgfplots
asked 12 mins ago
onomou
434
add a comment |
I want to draw functions in a standard way (like you would find in a textbook) using PGFplots. This question relates to the end arrows on a function.
Using restrict x to domain (and y) works for most functions, but has a problem with asymptotes, as in tan(deg(x)):
documentclass{standalone}
usepackage{pgfplots}
begin{document}
begin{tikzpicture}
begin{axis}[
samples=50,smooth,axis lines=middle,axis equal image=true,xmin=-3,xmax=3,ymin=-2,ymax=2,
restrict y to domain={pgfkeysvalueof{/pgfplots/ymin}:pgfkeysvalueof{/pgfplots/ymax}},
restrict x to domain={pgfkeysvalueof{/pgfplots/xmin}:pgfkeysvalueof{/pgfplots/xmax}}
]
addplot[ultra thick,<->,samples=150,smooth,red] {tan(deg(x))};
end{axis}
end{tikzpicture}
end{document}
The desired output should have arrows on the other intervals (and lines for the asymptotes would be nice, but that may be another issue altogether)
My goal is to plot any function in one command, like addplot[color,arrows] {function(x)}; without micromanaging domain restrictions. I know I could restrict the domain manually and add three plots of the same function.
Is there a generic way to make PGFplots show the proper arrows for all (most) functions, including those with asymptotes? This would include elementary functions like x^2, frac{1}{x}, sin(x), log(x). A perfect solution would also do polar functions like frac{1}{1-2*cos(theta)}, though that is outside the immediate scope of this question.
pgfplots
asked 12 mins ago
onomou
434
I want to draw functions in a standard way (like you would find in a textbook) using PGFplots. This question relates to the end arrows on a function.
Using restrict x to domain (and y) works for most functions, but has a problem with asymptotes, as in tan(deg(x)):
documentclass{standalone}
usepackage{pgfplots}
begin{document}
begin{tikzpicture}
begin{axis}[
samples=50,smooth,axis lines=middle,axis equal image=true,xmin=-3,xmax=3,ymin=-2,ymax=2,
restrict y to domain={pgfkeysvalueof{/pgfplots/ymin}:pgfkeysvalueof{/pgfplots/ymax}},
restrict x to domain={pgfkeysvalueof{/pgfplots/xmin}:pgfkeysvalueof{/pgfplots/xmax}}
]
addplot[ultra thick,<->,samples=150,smooth,red] {tan(deg(x))};
end{axis}
end{tikzpicture}
end{document}
The desired output should have arrows on the other intervals (and lines for the asymptotes would be nice, but that may be another issue altogether)
My goal is to plot any function in one command, like addplot[color,arrows] {function(x)}; without micromanaging domain restrictions. I know I could restrict the domain manually and add three plots of the same function.
Is there a generic way to make PGFplots show the proper arrows for all (most) functions, including those with asymptotes? This would include elementary functions like x^2, frac{1}{x}, sin(x), log(x). A perfect solution would also do polar functions like frac{1}{1-2*cos(theta)}, though that is outside the immediate scope of this question.
pgfplots
pgfplots
asked 12 mins ago
onomou
434
asked 12 mins ago
onomou
434
asked 12 mins ago
onomou
434
asked 12 mins ago
onomou
434
asked 12 mins ago
onomou
434
434
add a comment |
add a comment |
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