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6
votes
2answers
161 views

Interpolation and curve fitting - Tikzpicture? Gnuplot? Pgfplot?

well, I am fairly new to LaTeX, but I tried my hardest do find a solution for my problem but I couldn't find a proper answer, so I hope someone here has the answer or another suggestion for me. I ...
6
votes
5answers
285 views

drawing two curved arrows with ellipse between them

how can I draw two curved arrows with two ellipses between them like attached image?
1
vote
0answers
61 views

Drawing knots with 8 crossings and labels [closed]

So for a project, I have to draw the knot diagrams of all alternating knots with up to 8 crossings and label the regions bounded by the knots. For knots with up to 7 crossings, I used PSTricks, ...
4
votes
3answers
613 views

Curves with Latex

How I can draw curves as : Any help would be appreciated.
0
votes
1answer
161 views

Edgeworth Box of Pareto efficiency

I would like to have a figure like the following image, but I can't find a way to make the red convex curves. My code so far contains: \begin{tikzpicture} \draw (1, 3.5) to[out=0,in=90] (3.5, 1); ...
5
votes
1answer
906 views

Draw curved arrows between nodes in tikz-qtree

Is there a "clever" way to draw curved lines between nodes without them to go all through the picture? Here is my MWE : \documentclass[11pt]{beamer} \usepackage{ulem} \usepackage{tikz-qtree} ...
3
votes
0answers
110 views

How to define a pgf curve with points instead of controls?

The syntax to produce a B├ęzier curve in pgf is \pgfpathcurveto{first control point}{second control point}{target} This defines the curvature by control points. Considering the degrees of freedom ...
6
votes
1answer
790 views

Fitting a curve from a table! (Tikz/Pgfplots)

I ploted the data from the table below (first vs. fourth column), 3000 1.2970e+00 0.198956 0.258046 3100 8.6050e-01 0.18747 0.161318 3200 5.7970e-01 ...
1
vote
1answer
170 views

Legend entry with curve fits

I am plotting two data sets with curve fits added manually (by defining two functions). How can I edit my legend entry to combine the data points and lines into one icon? So instead of having four ...
6
votes
3answers
1k views

Smooth curve through points with pgfplots

I know that one can get smooth point connections with option smooth to \addplot that takes the previous and the next point into account, but this still connects all the points. How can I draw a ...
34
votes
1answer
1k views

Hobby path realization in convex hull approach

Motivation In the answer Highlight a group of nodes in a tikz tree, Jake suggested combining the convex hull approach from padded boundary of convex hull with the hobby path and I was really ...
60
votes
6answers
2k views

Curve through a sequence of points with Metapost and TikZ

This question led to a new package: hobby I found Metapost best for drawing complex smooth curves (i.e., Bezier, splines), since you do not have to directly specify Bezier control points. ...
10
votes
1answer
2k views

What “smooth” plot interpolation algorithm does pgfplots use?

In the pgfplots manual it says: \addplot+[smooth] Smooth plots interpolate smoothly between successive points. In order to choose the right sampling of points from a function evaluation for ...