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Difference of numbers in the list
*To*: mathgroup at smc.vnet.net
*Subject*: [mg45884] Difference of numbers in the list
*From*: mtmtk2003 at yahoo.com (mtmtk)
*Date*: Wed, 28 Jan 2004 05:19:40 -0500 (EST)
*Sender*: owner-wri-mathgroup at wolfram.com
I have this table:
Table[{((6.67/10^8)*157.85)/(0.225 - x)^2, (Pi^2/420^2)*x}, {x, 0.,
0.007245, 0.001}]
This is the output:
{{0.00020797224691358022, 0.},
{0.00020983328683035708, 5.595013832817097*^-8},
{0.00021171941925234768, 1.1190027665634194*^-7},
{0.0002136310973135297, 1.678504149845129*^-7},
{0.0002155687844229233, 2.2380055331268388*^-7},
{0.00021753295454545455, 2.797506916408548*^-7},
{0.00021952409249181628, 3.357008299690258*^-7},
{0.00022154269421765846, 3.9165096829719676*^-7}}
I wanted to plot the difference of each pair but the only solution I
could
find was to first have two tables A and B then take A-B and try to
plot that.
A = Table[{((6.67/10^8)*157.85)/(0.225 - x)^2}, {x, 0., 0.007245,
0.001}]
B = Table[{(Pi^2/420^2)*x}, {x, 0, 0.007245, 0.001}]
A - B
{{0.00020797224691358022},
{0.0002097773366920289},
{0.00021160751897569133},
{0.00021346324689854517},
{0.00021534498386961064},
{0.0002172532038538137},
{0.00021918839166184726},
{0.00022115104324936126}}
But ListPlot will give an error for this :
"...is not a list of numbers or pairs of numbers."
When I delete the curly braces around the numbers then ListPlot works.
But this is too complicated for plotting the difference of two sets of
numbers.
How can this be done simply? Thanks for any help.
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