erasure.nb

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k = ((s (a (1 - a))/b^(1/2) + ((s^2 (1 - a))/b + 4 a)^(1/2))/(2 a))^2

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(((1 - a) a)/b^(1/2) s + (4 a + ((1 - a) s^2)/b)^(1/2))^2/(4 a^2)

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$RowBox[{Plot, [, RowBox[{RowBox[{k, , /., , RowBox[{{, RowBox[{b15, ,, RowBox[{s, &# ... 1}], }}], ,, , AxesLabel {"Node\navailability", "Redundancy"}}], ]}]$

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$RowBox[{Plot, [, RowBox[{RowBox[{k, , /., , RowBox[{{, RowBox[{b50, ,, RowBox[{s, &# ... 1}], }}], ,, , AxesLabel {"Node\navailability", "Redundancy"}}], ]}]$

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$RowBox[{Plot, [, RowBox[{RowBox[{k, , /., , RowBox[{{, RowBox[{b1000, ,, RowBox[{s, ... 1}], }}], ,, , AxesLabel {"Node\navailability", "Redundancy"}}], ]}]$

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$RowBox[{Plot3D, [, RowBox[{RowBox[{k, , /., , RowBox[{{, RowBox[{s, , 4.7}], }}]}], ... 54; {"Blocks", "Node\nAvailability", "Replication\nRequired"}}], ]}]$

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$RowBox[{Plot3D, [, RowBox[{RowBox[{k, , /., , RowBox[{{, RowBox[{s, , 4.7}], }}]}], ... 54; {"Node\nAvailability", "Blocks", "Replication\nRequired"}}], ]}]$

[Graphics:HTMLFiles/index_21.gif]

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Created by Mathematica (November 11, 2003)