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RANDG returns a randomly-selected value from a Gaussian distribution having a specified mean and distribution, which are provided as parameters.  Note that Random function returns a random value from a uniform distribution.


If a third argument other than 0 is provided, it is used as a seed for the random number generator routines.  The argument should be an integer.  The random number generator will always return the same value if a constant value is provided for the seed, e.g.,


RandG(Mean, StdDev, 99)


If the third argument is 0, EES will generate a random number and then use this number each time the equation is evaluated during the solving process.  Each new solving process will result in a different random number. 


Used within Functions and Procedures  with the 

Repeat Until or other logical expressions, the RandG function can be used to implement Monte Carlo type calculations.


See also: Random


Mathematical Functions