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---Random Numbers
First: no such thing as a computer-generated random number (computers can’t do
random)
Pseudo-random numbers---very close to random--result of some complex math
function
---Algorithm
Take large number (constant) multiply by another large number (seed)
Mod some third large number (constant)
For2nd number, multiply & mod again
---Random object
Dim randomObject
As Random = New Random
()
Reference variable
call to constructor
refers to an object
Dim randInt As Integer = randomObject. Next
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Unformatted text preview: () Returns a random integer between 0 and 2^32-1 randInt = randomObject. Next (37) Between 0 and 36 randInt = randomObject. Next (3, 37) Between 3 and 36 randLint = randomObject. Next(0, 5) -2 Between -2 and 2 Dim randDbl As Double = randomObject. NextDouble () Returns Double between 0.0 and 1.0, but never 1.0 (0 is possible but never 1)---[0,1) Rand Dbl = randomObject. Next Double () *4-2 Between -2 and 2...
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- Fall '10
- Staff
- Algebra, Randomness, Prime number
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