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Section: Random Number Generation
Generates a vector of non-central F-distributed random variables with the specified parameters. The general syntax for its use is
y = randnf(n,m,c)
 where n is the number of degrees of freedom in the numerator, and m is the number of degrees of freedom in the denominator. The vector c determines the non-centrality shift of the numerator. 
A non-central F-distributed random variable is the ratio of a non-central chi-square random variable and a central chi-square random variable, i.e.,
![\[ F_{n,m,c} = \frac{\chi_{n,c}^2/n}{\chi_m^2/m}. \]](form_149.png) 
Here we use the randf to generate some non-central F-distributed random variables:
--> randnf(5*ones(1,9),7,1.34)
ans = 
 Columns 1 to 7
    0.5880    1.6093    0.4639    0.7857    2.5543    0.5044    3.3383 
 Columns 8 to 9
    1.4102    1.1489