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eqn.tex
\documentclass[preview]{standalone}
\begin{document}
\[
f(x) = \frac{1}{\sqrt{2\pi\sigma^2}} e^{-\frac{(x - \mu)^2}{2 \sigma^2}}
\]
\end{document}
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normal.pdf
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normal.R
library(ggplot2)
distribution <- dnorm
distance <- 3
left <- -distance
right <- distance
xpred <- c(seq(left, right, length=500))
x <- c(min(xpred), xpred, max(xpred))
y <- c(0, distribution(xpred), 0)
plot(x, y, type = "l", axes=FALSE, xlab="", , ylab="")
polygon(x, y, col="black")
vlines <- seq(left+1, right-1)
segments(vlines, 0, y1=(distribution(vlines)), lty =2, col="white")
#axis(1,tick = FALSE, line = FALSE, padj = -3.8, col.axis ="white", at=seq(-distance+1, distance-1), labels=c("-2σ", "-σ", "μ", "σ", "2σ"))
svg(filename = "normal_svg.svg")
save
library(ggplot2)
distribution <- dlnorm
distance <- 3
left <- 0
right <- distance
xpred <- c(seq(left, right, length=500))
x <- c(min(xpred), xpred, max(xpred))
y <- c(0, distribution(xpred), 0)
plot(x, y, type = "l", axes=FALSE, xlab="", , ylab="")
polygon(x, y, col="black")
vlines <- c(1, 1.5)
segments(vlines, 0, y1=(distribution(vlines)), lty =2, col="white")
#axis(1,tick = FALSE, line = FALSE, padj = -3.8, col.axis ="white", at=seq(-distance+1, distance-1), labels=c("-2σ", "-σ", "μ", "σ", "2σ"))
svg(filename = "lognormal.svg")
save
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normal.scad
echo(version=version());
// surface() can import images, the pixel values are converted
// to grayscale and converted to values between 0 and 100.
// The example takes 3 cuts from the height map and displays
// those as 3 stacked layers.
for (a = [1])
color([a/6 + 0.5, 0, 0])
linear_extrude(height = 2 * a, convexity = 10)
projection(cut = true)
translate([0, 0, -30 * a])
surface("normal.png", center = true);
// Written in 2015 by Torsten Paul <Torsten.Paul@gmx.de>
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to the
// public domain worldwide. This software is distributed without any
// warranty.
//
// You should have received a copy of the CC0 Public Domain
// Dedication along with this software.
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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normal_freecad_01.stl
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