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need help on equation a*b-c*d(t-1)=1....

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rjnt Kaur
rjnt Kaur 2013-4-12
hello professionals....i need help on equation a*b-c*d(t-1)=1....where a and c are selected randomly and b , d and t are previously calculated.there shoulb be a loop until the equation become equal to one.thank u
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Walter Roberson
Walter Roberson 2013-4-12
If you are looping, what is going to change in the loop? You would be choosing new random values "a" and "c" ? If so then you could end up with a very long wait indeed.

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Walter Roberson
Walter Roberson 2013-4-12
For any given "a", there is exactly one "c" that works:
c = (1 - a*b)/(d*(1-t))
If when you say "selected randomly" you mean that they are to be in the range [0,1] then the condition could only be satisfied when c is between 1/(d*(1-t)) and (1-b)/(d*(1-t)) . Exception: if d = 0, then c can be anything and a = 1/b

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