Ciencias Astronómicas Distribution functions Financial data processing Física Intelligent systems Methods: data analysis Methods: numerical Methods: numericals Methods: statistical Methods:data analysis Methods:statistical Monte Carlo methods Numerical methods Probability Probability density function Probability distributions Problem solving Stars Stars: Rotation Stars: fundamental parameters Stars: rotation Stars:fundamental parameters Statistical methods Velocity Velocity distribution hydrodynamics methods: analytical stars: early-type stars: mass-loss stars: winds, outflows