Distributions de nombres aléatoires de la librairie GSL

Pour plus d'informations au sujet de ces fonctions, veuillez vous référer à la documentation de la librairie GSL.

FonctionDescription
gaussian(x,sigma)probability density p(x) at X for a Gaussian distribution with standard deviation SIGMA
ugaussian(x)unit Gaussian distribution. They are equivalent to the functions above with a standard deviation of one, SIGMA = 1
gaussian_tail(x,a,sigma)probability density p(x) at X for a Gaussian tail distribution with standard deviation SIGMA and lower limit A
ugaussian_tail(x,a)tail of a unit Gaussian distribution. They are equivalent to the functions above with a standard deviation of one, SIGMA = 1
bivariate_gaussian(x,y,sigma_x,sigma_y,rho)probability density p(x,y) at (X,Y) for a bivariate gaussian distribution with standard deviations SIGMA_X, SIGMA_Y and correlation coefficient RHO
exponential(x,mu)probability density p(x) at X for an exponential distribution with mean MU
laplace(x,a)probability density p(x) at X for a Laplace distribution with mean A
exppow(x,a,b)probability density p(x) at X for an exponential power distribution with scale parameter A and exponent B
cauchy(x,a)probability density p(x) at X for a Cauchy distribution with scale parameter A
rayleigh(x,sigma)probability density p(x) at X for a Rayleigh distribution with scale parameter SIGMA
rayleigh_tail(x,a,sigma)probability density p(x) at X for a Rayleigh tail distribution with scale parameter SIGMA and lower limit A
landau(x)probability density p(x) at X for the Landau distribution
gamma_pdf(x,a,b)probability density p(x) at X for a gamma distribution with parameters A and B
flat(x,a,b)probability density p(x) at X for a uniform distribution from A to B
lognormal(x,zeta,sigma)probability density p(x) at X for a lognormal distribution with parameters ZETA and SIGMA
chisq(x,nu)probability density p(x) at X for a chi-squared distribution with NU degrees of freedom
fdist(x,nu1,nu2)probability density p(x) at X for an F-distribution with NU1 and NU2 degrees of freedom
tdist(x,nu)probability density p(x) at X for a t-distribution with NU degrees of freedom
beta_pdf(x,a,b)probability density p(x) at X for a beta distribution with parameters A and B
logistic(x,a)probability density p(x) at X for a logistic distribution with scale parameter A
pareto(x,a,b)probability density p(x) at X for a Pareto distribution with exponent A and scale B
weibull(x,a,b)probability density p(x) at X for a Weibull distribution with scale A and exponent B
gumbel1(x,a,b)probability density p(x) at X for a Type-1 Gumbel distribution with parameters A and B
gumbel2(x,a,b)probability density p(x) at X for a Type-2 Gumbel distribution with parameters A and B
poisson(k,mu)probability p(k) of obtaining K from a Poisson distribution with mean mu
bernoulli(k,p)probability p(k) of obtaining K from a Bernoulli distribution with probability parameter P
binomial(k,p,n)probability p(k) of obtaining K from a binomial distribution with parameters P and N
negative_binomial(k,p,n)probability p(k) of obtaining K from a negative binomial distribution with parameters P and N
pascal(k,p,n)probability p(k) of obtaining K from a Pascal distribution with parameters P and N
geometric(k,p)probability p(k) of obtaining K from a geometric distribution with probability parameter P
hypergeometric(k,n1,n2,t)probability p(k) of obtaining K from a hypergeometric distribution with parameters N1, N2, N3
logarithmic(k,p)probability p(k) of obtaining K from a logarithmic distribution with probability parameter P