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answered Plotting Floating point number when changes are very small in data
1d
awarded  Good Answer
1d
awarded  Nice Answer
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comment Error by creating normal distribution in tikz
Use \addplot [domain=150:220,samples=201,thick, smooth] {normal(mu,sigma)};
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comment Error by creating normal distribution in tikz
Maybe Plotting bell shaped curve in TikZ-PGF might be a better starting point for your purposes.
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comment Error by creating normal distribution in tikz
Do you want to create a three-dimensional plot, like in the answer you linked to, or just a two-dimensional one (like your use of \addplot instead of \addplot3 suggests)?
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comment How to get siunitx to centre columns of integers correctly
It's probably worth pointing out that you can also specify the table format for each column individually, using S[table-format=2] in the column specification.
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comment Set limits of colormap in pgfplots
You can set point meta max=..., point meta min=....
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comment Colors and legend in groupplots/barplot
@Vser: The default name is group, but in the code I posted I changed the name to plots using the key group name=plots.
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comment Accuracy of calculations in TikZ with fixed point arithmetic
@Symbol1: In any case, the downvoter should have left a comment in addition to downvoting, in order to give Svend a chance to respond or improve his answer. Now we're just poking around in the dark and have no idea why the answer was downvoted.
Apr
22
awarded  Enlightened
Apr
22
comment Accuracy of calculations in TikZ with fixed point arithmetic
To the downvoter: It is generally accepted and encouraged to answer questions using a different approach or package than the one asked for in the question. The answers are for the benefit of the entire community (nay, the world!), not just the OP. Please see meta.tex.stackexchange.com/questions/3452/… for details.
Apr
22
awarded  Nice Answer
Apr
22
comment Legend image arguments for the command `\addlegendimage`, 3d legend image
Instead of \addplot3[draw=none..., use \addplot3[only marks,.... Then the legend will be shown correctly.
Apr
21
answered How to draw a z-simple paraboloid in a “clean” way
Apr
20
awarded  Enlightened
Apr
20
awarded  Nice Answer
Apr
19
comment A question about ticks on a graph
You can set xtick={-10,10}, ytick={-10,10}, minor tick num=19, grid=both.
Apr
18
answered Adding manually a grid to a .tikz file generated by matlab2tikz
Apr
18
comment How to draw torsion prismatic beams in tikz?
@Acatka: Replace squarex(x) with cos(x*360) and squarey(x) with sin(x*360).