Write a Matlab program by using a while loop that finds the smallest positive number 2^m such that 1+x>1 in the machine.

2 vues (au cours des 30 derniers jours)
John Doe
John Doe le 13 Août 2018
Modifié(e) : Vishal Chaudhary le 17 Août 2018
m must be a negative integer. Technically from the way that my professor phrased it, shouldn't m be -infinity?
  2 commentaires
OCDER
OCDER le 13 Août 2018
Theoretical math and computer math are slightly different. You might find that 1+2^m > 1 will fail. https://www.cs.drexel.edu/~introcs/Fa15/extras/Rounding/index.html
James Tursa
James Tursa le 14 Août 2018
Modifié(e) : James Tursa le 14 Août 2018
"... shouldn't m be -infinity?"
2^(-infinity) = 0, and 1+0 is not greater than 1. So, no, the way the professor phrased it, -infinity is not the answer.
Do as the professor instructed and write some code with a while loop to figure out the answer.

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Vishal Chaudhary
Vishal Chaudhary le 17 Août 2018
Modifié(e) : Vishal Chaudhary le 17 Août 2018
Precision differs in MATLAB and theoretical calculation. So when you write while loop you will know the difference.

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