I need to solve equation in mod .what to do?
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I want to find d from 7*d mod 40 =1.
I need to solve equation in mod.what to do ?
I do
Syms d
Eqn=Mod(1,40)==7*d;
Sold=solve(Eqn,d)
But Answer is
1/7
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Réponses (2)
Steven Lord
le 22 Juin 2015
For a system this small? Brute force works fine.
d = 0:39;
d(mod(7*d, 40) == 1)
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