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Computing for a particular numerical value

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manish sharma
manish sharma 2012-8-10
Hi,
After using a solve command I can get the result as:
x =
(5941415241525099*R)/2251799813685248000 + 250
Now after second solve command, I can calculate the value of R as:
R =
75800
Now I want to compute x for this particular value of R. (If I am typing just "x" it displays the answer in terms of "R" only).
Any kind of help in this matter will be appreciated.
Thanks!

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采纳的回答

Matt Fig
Matt Fig 2012-8-10
编辑：Matt Fig 2012-8-10
Use the SUBS command.
syms a x
s = solve(x^3 + a*x + 1)
a = 5;
subs(s)

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