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pgfplots: How to draw a tangent graph below two others?
plotting two time series with boundsGrouped bar chartHow do i get the x axis on top but keep a line on the bottomHow to prevent rounded and duplicated tick labels in pgfplots with fixed precision?How to hide empty (value 0) ybars with pgfplots?Show mark labels near marks and not centered in ybar interaval graphDrawing rectilinear curves in Tikz, aka an Etch-a-Sketch drawingpgfplots: percentage in matrix plotHow to draw a square and its diagonals with arrows?PGFPlots - Fill area between two curves
Assumed I want to draw three simple graphs based on the following illustration:
How can I plot those three graphs? I've tried to create something like this:
Minimum Working Example (MWE):
documentclassstandalone
usepackagepgfplots
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
endaxis
endtikzpicture
enddocument
Screenshot of the current state:
Description of the issue:
However, I don't get the point on how to figure out the function of the third graph as well as how to clip the graphs in x and y direction to align them centered in the plot. It is not necessary to be completely precise, the accuracy of my upper template will be fine enough.
How to do that?
tikz-pgf pgfplots plot graphs polynomials
asked 2 days ago
DaveDave
1,185619
add a comment |
Assumed I want to draw three simple graphs based on the following illustration:
How can I plot those three graphs? I've tried to create something like this:
Minimum Working Example (MWE):
documentclassstandalone
usepackagepgfplots
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
endaxis
endtikzpicture
enddocument
Screenshot of the current state:
Description of the issue:
However, I don't get the point on how to figure out the function of the third graph as well as how to clip the graphs in x and y direction to align them centered in the plot. It is not necessary to be completely precise, the accuracy of my upper template will be fine enough.
How to do that?
tikz-pgf pgfplots plot graphs polynomials
asked 2 days ago
DaveDave
1,185619
3
@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago
add a comment |
Assumed I want to draw three simple graphs based on the following illustration:
How can I plot those three graphs? I've tried to create something like this:
Minimum Working Example (MWE):
documentclassstandalone
usepackagepgfplots
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
endaxis
endtikzpicture
enddocument
Screenshot of the current state:
Description of the issue:
However, I don't get the point on how to figure out the function of the third graph as well as how to clip the graphs in x and y direction to align them centered in the plot. It is not necessary to be completely precise, the accuracy of my upper template will be fine enough.
How to do that?
tikz-pgf pgfplots plot graphs polynomials
asked 2 days ago
DaveDave
1,185619
Assumed I want to draw three simple graphs based on the following illustration:
How can I plot those three graphs? I've tried to create something like this:
Minimum Working Example (MWE):
documentclassstandalone
usepackagepgfplots
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
endaxis
endtikzpicture
enddocument
Screenshot of the current state:
Description of the issue:
However, I don't get the point on how to figure out the function of the third graph as well as how to clip the graphs in x and y direction to align them centered in the plot. It is not necessary to be completely precise, the accuracy of my upper template will be fine enough.
How to do that?
tikz-pgf pgfplots plot graphs polynomials
tikz-pgf pgfplots plot graphs polynomials
asked 2 days ago
DaveDave
1,185619
asked 2 days ago
DaveDave
1,185619
edited 2 days ago
Dave
asked 2 days ago
DaveDave
1,185619
asked 2 days ago
DaveDave
1,185619
asked 2 days ago
DaveDave
1,185619
1,185619
3
@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago
add a comment |
3
@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago
3
3
@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago
add a comment |
2 Answers
2
active
oldest
votes
You can use the function f1*f2/(f1+f2) to get something like what you describe. To make the code a bit clearer I defined the functions f1 and f2.
documentclassstandalone
usepackagepgfplots
pgfplotsset%
compat=1.12,
/pgf/declare function=f1(x)=exp(3*x);,
/pgf/declare function=f2(x)=-exp(3*x)+20;,
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] f1(x);
addplot+[no marks, samples=100] f2(x);
addplot+[no marks, samples=100] f1(x)*f2(x)/(f1(x)+f2(x));
endaxis
endtikzpicture
enddocument
If you want the function to follow more closely you can use sqrt(f1^2*f2^2/(f1^2+f2^2). Then replace the third plot with
addplot+[no marks, samples=100] sqrt(f1(x)*f1(x)*f2(x)*f2(x)/(f1(x)*f1(x)+f2(x)*f2(x)));
to get
Slightly more general, one can use the exponent a (does not have to be an integer):
foreach a in 1,...,5
addplot+[no marks, samples=100] (f1(x)^a*f2(x)^a/(f1(x)^a+f2(x)^a))^(1/a);
answered 2 days ago
StefanHStefanH
10.9k1920
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
add a comment |
Are you looking for the minimum? (I shifted the plot a bit but you can of course undo the shift.)
documentclass[border=3.14mm,tikz]standalone
usepackagepgfplots
pgfplotssetcompat=1.16
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
addplot+[no marks, samples=6,smooth]
min(exp(3*x),(-exp(3*x)+20))-pi/2;
endaxis
endtikzpicture
enddocument
answered 2 days ago
marmotmarmot
114k5145276
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can use the function f1*f2/(f1+f2) to get something like what you describe. To make the code a bit clearer I defined the functions f1 and f2.
documentclassstandalone
usepackagepgfplots
pgfplotsset%
compat=1.12,
/pgf/declare function=f1(x)=exp(3*x);,
/pgf/declare function=f2(x)=-exp(3*x)+20;,
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] f1(x);
addplot+[no marks, samples=100] f2(x);
addplot+[no marks, samples=100] f1(x)*f2(x)/(f1(x)+f2(x));
endaxis
endtikzpicture
enddocument
If you want the function to follow more closely you can use sqrt(f1^2*f2^2/(f1^2+f2^2). Then replace the third plot with
addplot+[no marks, samples=100] sqrt(f1(x)*f1(x)*f2(x)*f2(x)/(f1(x)*f1(x)+f2(x)*f2(x)));
to get
Slightly more general, one can use the exponent a (does not have to be an integer):
foreach a in 1,...,5
addplot+[no marks, samples=100] (f1(x)^a*f2(x)^a/(f1(x)^a+f2(x)^a))^(1/a);
answered 2 days ago
StefanHStefanH
10.9k1920
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
add a comment |
You can use the function f1*f2/(f1+f2) to get something like what you describe. To make the code a bit clearer I defined the functions f1 and f2.
documentclassstandalone
usepackagepgfplots
pgfplotsset%
compat=1.12,
/pgf/declare function=f1(x)=exp(3*x);,
/pgf/declare function=f2(x)=-exp(3*x)+20;,
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] f1(x);
addplot+[no marks, samples=100] f2(x);
addplot+[no marks, samples=100] f1(x)*f2(x)/(f1(x)+f2(x));
endaxis
endtikzpicture
enddocument
If you want the function to follow more closely you can use sqrt(f1^2*f2^2/(f1^2+f2^2). Then replace the third plot with
addplot+[no marks, samples=100] sqrt(f1(x)*f1(x)*f2(x)*f2(x)/(f1(x)*f1(x)+f2(x)*f2(x)));
to get
Slightly more general, one can use the exponent a (does not have to be an integer):
foreach a in 1,...,5
addplot+[no marks, samples=100] (f1(x)^a*f2(x)^a/(f1(x)^a+f2(x)^a))^(1/a);
answered 2 days ago
StefanHStefanH
10.9k1920
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
add a comment |
You can use the function f1*f2/(f1+f2) to get something like what you describe. To make the code a bit clearer I defined the functions f1 and f2.
documentclassstandalone
usepackagepgfplots
pgfplotsset%
compat=1.12,
/pgf/declare function=f1(x)=exp(3*x);,
/pgf/declare function=f2(x)=-exp(3*x)+20;,
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] f1(x);
addplot+[no marks, samples=100] f2(x);
addplot+[no marks, samples=100] f1(x)*f2(x)/(f1(x)+f2(x));
endaxis
endtikzpicture
enddocument
If you want the function to follow more closely you can use sqrt(f1^2*f2^2/(f1^2+f2^2). Then replace the third plot with
addplot+[no marks, samples=100] sqrt(f1(x)*f1(x)*f2(x)*f2(x)/(f1(x)*f1(x)+f2(x)*f2(x)));
to get
Slightly more general, one can use the exponent a (does not have to be an integer):
foreach a in 1,...,5
addplot+[no marks, samples=100] (f1(x)^a*f2(x)^a/(f1(x)^a+f2(x)^a))^(1/a);
answered 2 days ago
StefanHStefanH
10.9k1920
You can use the function f1*f2/(f1+f2) to get something like what you describe. To make the code a bit clearer I defined the functions f1 and f2.
documentclassstandalone
usepackagepgfplots
pgfplotsset%
compat=1.12,
/pgf/declare function=f1(x)=exp(3*x);,
/pgf/declare function=f2(x)=-exp(3*x)+20;,
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] f1(x);
addplot+[no marks, samples=100] f2(x);
addplot+[no marks, samples=100] f1(x)*f2(x)/(f1(x)+f2(x));
endaxis
endtikzpicture
enddocument
If you want the function to follow more closely you can use sqrt(f1^2*f2^2/(f1^2+f2^2). Then replace the third plot with
addplot+[no marks, samples=100] sqrt(f1(x)*f1(x)*f2(x)*f2(x)/(f1(x)*f1(x)+f2(x)*f2(x)));
to get
Slightly more general, one can use the exponent a (does not have to be an integer):
foreach a in 1,...,5
addplot+[no marks, samples=100] (f1(x)^a*f2(x)^a/(f1(x)^a+f2(x)^a))^(1/a);
answered 2 days ago
StefanHStefanH
10.9k1920
edited yesterday
answered 2 days ago
StefanHStefanH
10.9k1920
answered 2 days ago
StefanHStefanH
10.9k1920
answered 2 days ago
StefanHStefanH
10.9k1920
10.9k1920
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
add a comment |
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
The lower one looks perfect, thank you very much!!
– Dave
2 days ago
add a comment |
Are you looking for the minimum? (I shifted the plot a bit but you can of course undo the shift.)
documentclass[border=3.14mm,tikz]standalone
usepackagepgfplots
pgfplotssetcompat=1.16
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
addplot+[no marks, samples=6,smooth]
min(exp(3*x),(-exp(3*x)+20))-pi/2;
endaxis
endtikzpicture
enddocument
answered 2 days ago
marmotmarmot
114k5145276
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
add a comment |
Are you looking for the minimum? (I shifted the plot a bit but you can of course undo the shift.)
documentclass[border=3.14mm,tikz]standalone
usepackagepgfplots
pgfplotssetcompat=1.16
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
addplot+[no marks, samples=6,smooth]
min(exp(3*x),(-exp(3*x)+20))-pi/2;
endaxis
endtikzpicture
enddocument
answered 2 days ago
marmotmarmot
114k5145276
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
add a comment |
Are you looking for the minimum? (I shifted the plot a bit but you can of course undo the shift.)
documentclass[border=3.14mm,tikz]standalone
usepackagepgfplots
pgfplotssetcompat=1.16
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
addplot+[no marks, samples=6,smooth]
min(exp(3*x),(-exp(3*x)+20))-pi/2;
endaxis
endtikzpicture
enddocument
answered 2 days ago
marmotmarmot
114k5145276
Are you looking for the minimum? (I shifted the plot a bit but you can of course undo the shift.)
documentclass[border=3.14mm,tikz]standalone
usepackagepgfplots
pgfplotssetcompat=1.16
begindocument
begintikzpicture
beginaxis[domain=0:1]
addplot+[no marks, samples=100] exp(3*x);
addplot+[no marks, samples=100] (-exp(3*x)+20);
addplot+[no marks, samples=6,smooth]
min(exp(3*x),(-exp(3*x)+20))-pi/2;
endaxis
endtikzpicture
enddocument
answered 2 days ago
marmotmarmot
114k5145276
answered 2 days ago
marmotmarmot
114k5145276
answered 2 days ago
marmotmarmot
114k5145276
answered 2 days ago
marmotmarmot
114k5145276
114k5145276
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
add a comment |
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
Thank you very much marmot! The user StefanH has also posted a great approach which looks very smooth - I hope you are not disappointed if I choose his option as an answer?
– Dave
2 days ago
add a comment |
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@close-voter: Please explain in a comment your reason for voting to close!
– Kurt
2 days ago
I accept the Kurt's comment.
– Sebastiano
2 days ago