Generates a vector of random variates from a Von Mises distribution with probability density function, \(f (X)\), where:
\[f (X) = \frac{e ^{k\ cos\ X}}{2\pi I_0(K)}\]
where X is reduced modulo \(2\pi\) so that it lies between \(\pm \pi\), and κ is the concentration parameter VK.
C Generate 100 values from the Von Mises distribution
INTEGER LSTATE,N
PARAMETER (LSTATE=16,N=100)
INTEGER I,INFO,SEED(1),STATE(LSTATE)
DOUBLE PRECISION VK
DOUBLE PRECISION X(N)
C Set the seed
SEED(1) = 1234
C Read in the distributional parameters
READ(5,*) VK
C Initialize the STATE vector
CALL DRANDINITIALIZE(1,1,SEED,1,STATE,LSTATE,INFO)
C Generate N variates from the Von Mises distribution
CALL DRANDVONMISES(N,VK,STATE,X,INFO)
C Print the results
WRITE(6,*) (X(I),I=1,N)