Draw a spiral like an ellipse











up vote
7
down vote

favorite












I am trying to draw the following diagram in latex:



enter image description here



I find the following command :



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [domain=0:25.1327,variable=t,smooth,samples=75]
plot ({t r}: {0.002*t*t});
end{tikzpicture}

end{document}


But it's like a circle.
Can anyone help me?










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Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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  • 1




    Could you please provide with us the equation of that spiral?
    – zyy
    Dec 11 at 0:11










  • It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
    – Mohammad
    Dec 11 at 0:56












  • @Mohammad Could you please provide with us the equation of that spiral?
    – Andrew
    Dec 11 at 1:03










  • @Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
    – Mohammad
    Dec 11 at 1:28















up vote
7
down vote

favorite












I am trying to draw the following diagram in latex:



enter image description here



I find the following command :



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [domain=0:25.1327,variable=t,smooth,samples=75]
plot ({t r}: {0.002*t*t});
end{tikzpicture}

end{document}


But it's like a circle.
Can anyone help me?










share|improve this question









New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 1




    Could you please provide with us the equation of that spiral?
    – zyy
    Dec 11 at 0:11










  • It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
    – Mohammad
    Dec 11 at 0:56












  • @Mohammad Could you please provide with us the equation of that spiral?
    – Andrew
    Dec 11 at 1:03










  • @Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
    – Mohammad
    Dec 11 at 1:28













up vote
7
down vote

favorite









up vote
7
down vote

favorite











I am trying to draw the following diagram in latex:



enter image description here



I find the following command :



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [domain=0:25.1327,variable=t,smooth,samples=75]
plot ({t r}: {0.002*t*t});
end{tikzpicture}

end{document}


But it's like a circle.
Can anyone help me?










share|improve this question









New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I am trying to draw the following diagram in latex:



enter image description here



I find the following command :



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [domain=0:25.1327,variable=t,smooth,samples=75]
plot ({t r}: {0.002*t*t});
end{tikzpicture}

end{document}


But it's like a circle.
Can anyone help me?







tikz-pgf






share|improve this question









New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question








edited Dec 11 at 6:22









Stefan Pinnow

19.3k83175




19.3k83175






New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked Dec 10 at 23:37









Mohammad

384




384




New contributor




Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Mohammad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 1




    Could you please provide with us the equation of that spiral?
    – zyy
    Dec 11 at 0:11










  • It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
    – Mohammad
    Dec 11 at 0:56












  • @Mohammad Could you please provide with us the equation of that spiral?
    – Andrew
    Dec 11 at 1:03










  • @Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
    – Mohammad
    Dec 11 at 1:28














  • 1




    Could you please provide with us the equation of that spiral?
    – zyy
    Dec 11 at 0:11










  • It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
    – Mohammad
    Dec 11 at 0:56












  • @Mohammad Could you please provide with us the equation of that spiral?
    – Andrew
    Dec 11 at 1:03










  • @Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
    – Mohammad
    Dec 11 at 1:28








1




1




Could you please provide with us the equation of that spiral?
– zyy
Dec 11 at 0:11




Could you please provide with us the equation of that spiral?
– zyy
Dec 11 at 0:11












It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
– Mohammad
Dec 11 at 0:56






It's phase plane portrait of differential equations, x'=Ax that A=[matrix 2x2]. for more details please check the link @zyy
– Mohammad
Dec 11 at 0:56














@Mohammad Could you please provide with us the equation of that spiral?
– Andrew
Dec 11 at 1:03




@Mohammad Could you please provide with us the equation of that spiral?
– Andrew
Dec 11 at 1:03












@Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
– Mohammad
Dec 11 at 1:28




@Andrew This is the formula [formula][1] [1]: chart.googleapis.com/…
– Mohammad
Dec 11 at 1:28










2 Answers
2






active

oldest

votes

















up vote
10
down vote



accepted










Your code shows a circular spiral because you punch in a circular spiral. Try e.g.



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [rotate=-45]
plot[domain=0:25.1327,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here



And to add the axes and the arrow, you could use



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.markings}
begin{document}

begin{tikzpicture}
draw[-stealth] (-3,0) -- (3,0) node[below]{$x$};
draw[-stealth] (0,-3) -- (0,3) node[left]{$y$};
draw [rotate=-45,postaction=decorate,decoration={markings,
mark=at position 0.93 with {arrow{latex}}}]
plot[domain=0:32,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here






share|improve this answer























  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 2:19












  • @Mohammad You're welcome!
    – marmot
    Dec 11 at 2:20


















up vote
3
down vote













A PSTricks solution only for comparison and future purposes.



documentclass[pstricks,border=12pt,12pt]{standalone}
usepackage{pst-plot}
begin{document}
pspicture[algebraic,plotpoints=500](-4,-4)(4,4)
rput{-45}(0,0){psparametricplot[arrows=->]{0}{Pi 15 mul}{t^2*cos(t-Pi/3)/1000|2*t^2*sin(t-Pi/3)/1000}}
endpspicture
end{document}


enter image description here






share|improve this answer





















  • The quadratic growth is randomly or blindly chosen.
    – Artificial Stupidity
    Dec 11 at 7:09










  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 8:22











Your Answer








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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
10
down vote



accepted










Your code shows a circular spiral because you punch in a circular spiral. Try e.g.



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [rotate=-45]
plot[domain=0:25.1327,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here



And to add the axes and the arrow, you could use



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.markings}
begin{document}

begin{tikzpicture}
draw[-stealth] (-3,0) -- (3,0) node[below]{$x$};
draw[-stealth] (0,-3) -- (0,3) node[left]{$y$};
draw [rotate=-45,postaction=decorate,decoration={markings,
mark=at position 0.93 with {arrow{latex}}}]
plot[domain=0:32,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here






share|improve this answer























  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 2:19












  • @Mohammad You're welcome!
    – marmot
    Dec 11 at 2:20















up vote
10
down vote



accepted










Your code shows a circular spiral because you punch in a circular spiral. Try e.g.



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [rotate=-45]
plot[domain=0:25.1327,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here



And to add the axes and the arrow, you could use



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.markings}
begin{document}

begin{tikzpicture}
draw[-stealth] (-3,0) -- (3,0) node[below]{$x$};
draw[-stealth] (0,-3) -- (0,3) node[left]{$y$};
draw [rotate=-45,postaction=decorate,decoration={markings,
mark=at position 0.93 with {arrow{latex}}}]
plot[domain=0:32,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here






share|improve this answer























  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 2:19












  • @Mohammad You're welcome!
    – marmot
    Dec 11 at 2:20













up vote
10
down vote



accepted







up vote
10
down vote



accepted






Your code shows a circular spiral because you punch in a circular spiral. Try e.g.



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [rotate=-45]
plot[domain=0:25.1327,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here



And to add the axes and the arrow, you could use



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.markings}
begin{document}

begin{tikzpicture}
draw[-stealth] (-3,0) -- (3,0) node[below]{$x$};
draw[-stealth] (0,-3) -- (0,3) node[left]{$y$};
draw [rotate=-45,postaction=decorate,decoration={markings,
mark=at position 0.93 with {arrow{latex}}}]
plot[domain=0:32,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here






share|improve this answer














Your code shows a circular spiral because you punch in a circular spiral. Try e.g.



documentclass{article}
usepackage{tikz}
begin{document}

begin{tikzpicture}
draw [rotate=-45]
plot[domain=0:25.1327,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here



And to add the axes and the arrow, you could use



documentclass{article}
usepackage{tikz}
usetikzlibrary{decorations.markings}
begin{document}

begin{tikzpicture}
draw[-stealth] (-3,0) -- (3,0) node[below]{$x$};
draw[-stealth] (0,-3) -- (0,3) node[left]{$y$};
draw [rotate=-45,postaction=decorate,decoration={markings,
mark=at position 0.93 with {arrow{latex}}}]
plot[domain=0:32,variable=t,smooth,samples=75] ({t r}: {0.002*t*t} and {0.004*t*t} );
end{tikzpicture}

end{document}


enter image description here







share|improve this answer














share|improve this answer



share|improve this answer








edited Dec 11 at 2:14

























answered Dec 11 at 2:07









marmot

83.1k493178




83.1k493178












  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 2:19












  • @Mohammad You're welcome!
    – marmot
    Dec 11 at 2:20


















  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 2:19












  • @Mohammad You're welcome!
    – marmot
    Dec 11 at 2:20
















Thanks a lot for your help
– Mohammad
Dec 11 at 2:19






Thanks a lot for your help
– Mohammad
Dec 11 at 2:19














@Mohammad You're welcome!
– marmot
Dec 11 at 2:20




@Mohammad You're welcome!
– marmot
Dec 11 at 2:20










up vote
3
down vote













A PSTricks solution only for comparison and future purposes.



documentclass[pstricks,border=12pt,12pt]{standalone}
usepackage{pst-plot}
begin{document}
pspicture[algebraic,plotpoints=500](-4,-4)(4,4)
rput{-45}(0,0){psparametricplot[arrows=->]{0}{Pi 15 mul}{t^2*cos(t-Pi/3)/1000|2*t^2*sin(t-Pi/3)/1000}}
endpspicture
end{document}


enter image description here






share|improve this answer





















  • The quadratic growth is randomly or blindly chosen.
    – Artificial Stupidity
    Dec 11 at 7:09










  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 8:22















up vote
3
down vote













A PSTricks solution only for comparison and future purposes.



documentclass[pstricks,border=12pt,12pt]{standalone}
usepackage{pst-plot}
begin{document}
pspicture[algebraic,plotpoints=500](-4,-4)(4,4)
rput{-45}(0,0){psparametricplot[arrows=->]{0}{Pi 15 mul}{t^2*cos(t-Pi/3)/1000|2*t^2*sin(t-Pi/3)/1000}}
endpspicture
end{document}


enter image description here






share|improve this answer





















  • The quadratic growth is randomly or blindly chosen.
    – Artificial Stupidity
    Dec 11 at 7:09










  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 8:22













up vote
3
down vote










up vote
3
down vote









A PSTricks solution only for comparison and future purposes.



documentclass[pstricks,border=12pt,12pt]{standalone}
usepackage{pst-plot}
begin{document}
pspicture[algebraic,plotpoints=500](-4,-4)(4,4)
rput{-45}(0,0){psparametricplot[arrows=->]{0}{Pi 15 mul}{t^2*cos(t-Pi/3)/1000|2*t^2*sin(t-Pi/3)/1000}}
endpspicture
end{document}


enter image description here






share|improve this answer












A PSTricks solution only for comparison and future purposes.



documentclass[pstricks,border=12pt,12pt]{standalone}
usepackage{pst-plot}
begin{document}
pspicture[algebraic,plotpoints=500](-4,-4)(4,4)
rput{-45}(0,0){psparametricplot[arrows=->]{0}{Pi 15 mul}{t^2*cos(t-Pi/3)/1000|2*t^2*sin(t-Pi/3)/1000}}
endpspicture
end{document}


enter image description here







share|improve this answer












share|improve this answer



share|improve this answer










answered Dec 11 at 7:07









Artificial Stupidity

5,08811039




5,08811039












  • The quadratic growth is randomly or blindly chosen.
    – Artificial Stupidity
    Dec 11 at 7:09










  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 8:22


















  • The quadratic growth is randomly or blindly chosen.
    – Artificial Stupidity
    Dec 11 at 7:09










  • Thanks a lot for your help
    – Mohammad
    Dec 11 at 8:22
















The quadratic growth is randomly or blindly chosen.
– Artificial Stupidity
Dec 11 at 7:09




The quadratic growth is randomly or blindly chosen.
– Artificial Stupidity
Dec 11 at 7:09












Thanks a lot for your help
– Mohammad
Dec 11 at 8:22




Thanks a lot for your help
– Mohammad
Dec 11 at 8:22










Mohammad is a new contributor. Be nice, and check out our Code of Conduct.










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Mohammad is a new contributor. Be nice, and check out our Code of Conduct.













Mohammad is a new contributor. Be nice, and check out our Code of Conduct.












Mohammad is a new contributor. Be nice, and check out our Code of Conduct.
















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