?? exponential.c
字號:
/* cdf/exponential.c * * Copyright (C) 2003, 2007 Brian Gough * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#include <config.h>#include <math.h>#include <gsl/gsl_math.h>#include <gsl/gsl_cdf.h>/* The exponential distribution has the form p(x) dx = exp(-x/mu) dx/mu for x = 0 ... +infty */doublegsl_cdf_exponential_P (const double x, const double mu){ if (x < 0) { return 0; } else { double P = -expm1 (-x / mu); return P; }}doublegsl_cdf_exponential_Q (const double x, const double mu){ if (x < 0) { return 1; } else { double Q = exp (-x / mu); return Q; }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -