add probability plots and maths
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coursework.lyx
204
coursework.lyx
@ -259,12 +259,12 @@ name "fig:Well-Band-structure"
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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None of the binary III-V Indium based alloys have bulk band gaps in a suitable
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None of the binary III-V indium based alloys have bulk band gaps in a suitable
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range, as such ternary alloys were investigated.
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range, as such ternary alloys were investigated.
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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Indium Gallium Arsenide (In
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indium gallium arsenide (In
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\begin_inset script subscript
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\begin_inset script subscript
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\begin_layout Plain Layout
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\begin_layout Plain Layout
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@ -288,7 +288,7 @@ Ga
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\end_inset
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\end_inset
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As) as a well material with Indium Phosphide (InP) as a barrier material
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As) as a well material with indium phosphide (InP) as a barrier material
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would provide a suitable combination assuming that a composition ratio
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would provide a suitable combination assuming that a composition ratio
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\begin_inset Formula $x$
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\begin_inset Formula $x$
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@ -751,7 +751,7 @@ Having found two materials that are lattice matched with a suitable band
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\emph on
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\emph on
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\begin_inset Formula
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\begin_inset Formula
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\begin{equation}
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\begin{equation}
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E_{n}=\frac{n^{2}\pi^{2}\text{ħ}^{2}}{2mL^{2}}\label{eq:Energy-levels}
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E_{n}=\frac{n^{2}\pi^{2}\mathcal{\text{\emph{ħ}}}^{2}}{2mL^{2}}\label{eq:Energy-levels}
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\end{equation}
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\end{equation}
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\end_inset
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\end_inset
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@ -1383,6 +1383,57 @@ name "fig:Probability-plot"
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\end_inset
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Float figure
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wide false
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sideways false
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status open
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\begin_layout Plain Layout
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\align center
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\begin_inset Graphics
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filename probability-plot-with-n-2.png
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lyxscale 30
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width 100col%
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\begin_inset Caption Standard
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\begin_layout Plain Layout
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Probability plot for electron in 1
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\begin_inset script superscript
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\begin_layout Plain Layout
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st
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\end_layout
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\end_inset
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excited state
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\begin_inset CommandInset label
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LatexCommand label
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name "fig:Probability-plot-n-2"
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\end_layout
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\begin_layout Section
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\begin_layout Section
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@ -1432,6 +1483,151 @@ Where
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is an arbitrary distance across the well.
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is an arbitrary distance across the well.
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\end_layout
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\end_layout
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\begin_layout Standard
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For an interval across the well, this becomes:
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(a\leq x\leq b\right)=\frac{1}{L}\left(\left(b-a\right)-\frac{L}{2n\pi}\left(\sin\left(\frac{2n\pi b}{L}\right)-\sin\left(\frac{2n\pi a}{L}\right)\right)\right)
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Float figure
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wide false
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sideways false
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status open
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\begin_layout Plain Layout
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\align center
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\begin_inset Graphics
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filename probability-plot-with-bounds.png
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lyxscale 30
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width 100col%
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\begin_inset Caption Standard
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\begin_layout Plain Layout
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Probability plot for electron in ground state with distance intervals
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\begin_inset CommandInset label
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LatexCommand label
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name "fig:Probability-plot-with-bounds"
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Subsection
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\begin_inset Formula $2\unit{nm}$
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\end_inset
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to
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\begin_inset Formula $4\unit{nm}$
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(2\unit{nm}\leq x\leq4\unit{nm}\right)=\frac{1}{L}\left(2\unit{nm}-\frac{L}{2n\pi}\left(\sin\left(\frac{2n\pi\cdotp\left(4\unit{nm}\right)}{L}\right)-\sin\left(\frac{2n\pi\cdotp\left(2\unit{nm}\right)}{L}\right)\right)\right)
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(2\unit{nm}\leq x\leq4\unit{nm}\right)=\frac{1}{14.87\unit{nm}}\left(2\unit{nm}-\frac{14.87\unit{nm}}{2\pi}\left(\sin\left(\frac{2\pi\cdotp\left(4\unit{nm}\right)}{14.87\unit{nm}}\right)-\sin\left(\frac{2\pi\cdotp\left(2\unit{nm}\right)}{14.87\unit{nm}}\right)\right)\right)
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(2\unit{nm}\leq x\leq4\unit{nm}\right)\thickapprox0.132
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\]
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\end_inset
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\end_layout
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\begin_layout Subsection
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\begin_inset Formula $6\unit{nm}$
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\end_inset
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to
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\begin_inset Formula $8\unit{nm}$
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(6\unit{nm}\leq x\leq8\unit{nm}\right)=\frac{1}{L}\left(2\unit{nm}-\frac{L}{2n\pi}\left(\sin\left(\frac{2n\pi\cdotp\left(8\unit{nm}\right)}{L}\right)-\sin\left(\frac{2n\pi\cdotp\left(6\unit{nm}\right)}{L}\right)\right)\right)
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(6\unit{nm}\leq x\leq8\unit{nm}\right)=\frac{1}{14.87\unit{nm}}\left(2\unit{nm}-\frac{14.87\unit{nm}}{2\pi}\left(\sin\left(\frac{2\pi\cdotp\left(8\unit{nm}\right)}{14.87\unit{nm}}\right)-\sin\left(\frac{2\pi\cdotp\left(6\unit{nm}\right)}{14.87\unit{nm}}\right)\right)\right)
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\[
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P\left(6\unit{nm}\leq x\leq8\unit{nm}\right)\thickapprox0.132
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\]
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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\begin_inset Newpage pagebreak
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\begin_inset Newpage pagebreak
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\end_inset
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\end_inset
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coursework.pdf
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coursework.pdf
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probability-plot-with-bounds.png
Normal file
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probability-plot-with-bounds.png
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Binary file not shown.
After Width: | Height: | Size: 78 KiB |
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probability-plot-with-n-2.png
Normal file
BIN
probability-plot-with-n-2.png
Normal file
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After Width: | Height: | Size: 80 KiB |
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