media2024-03-20_wefcpvnqqtg5qgjaimage174,quotimgsf_ellipsex,:=6f:=8sf_ellipsex,805747code参考refsf_ellipsex,…

media2024-03-20_wefcpvnqqtg5qgjaimage173,quotimgsf_ex,的结果范例tcodesf_ex,00489code参考refsf_sinx,refsf_cosx,…

media2024-03-20_wefcpvnqqtg5qgjaimage171,quotimgsf_sinx,的结果范例tcodesf_sinx,160541code参考refsf_cosx,refsf_ex,…

media2024-03-20_wefcpvnqqtg5qgjaimage172,quotimgsf_cosx,的结果范例tcodesf_cosx,042298code参考refsf_sinx,refsf_ex,…

media2024-03-20_wefcpvnqqtg5qgjaimage236,1n1n2为自由度2f>=,为随机变量sf_f,范例tcodef:=2n1:=,n2:=5sf_f,076738code参考refsf_normal,refsf_t,refsf_x2ref,…

media2024-03-20_wefcpvnqqtg5qgjaimage232,为随机变量t>=02n为,sf_tt,范例tcodet:=25n,10sf_t,098428code参考refsf_normal,refsf_x2,refsf_f,…

media2024-03-20_wefcpvnqqtg5qgjaimage219,quotimgsf_error,的结果范例tcodesf_error,…

media2024-03-20_wefcpvnqqtg5qgjaimage231,随机变量的数学期望平均值2为随机变量,标准差sf_normal,:=0d:=1sf_normal,05code参考refsf_t,refsf_x2,refsf_fref,…

media2024-03-20_wefcpvnqqtg5qgjaimage230,img其中1a02b0,ab为贝塔函数sf_incompletebeta,4x:=025sf_incompletebeta,016943code参考refsf_beta,…

media2024-03-20_wefcpvnqqtg5qgjaimage215,media2024-03-20_wefcpvnqqtg5qgjaimage216,quotimgsf_beta,的结果范例tcodesf_beta,003333code参考refsf_gamma,…