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奇异值svd分解mt_decompose_,darrayofrealmt_decompose_,asmt_decompose_,ausa@@,@@变参返回a的奇异,@@变参返回a的左,@@变参返回a的右,1110mt_decompose_,…
序列差分time_diffy,不做处理范例tcodea:=rand,10returntime_diffa,//得到a的一阶,…
media2024-03-20_wefcpvnqqtg5qgjaimage169,quotimgig_trapezoid_,stringvarvdoubleintegera@@,积分结果范例tcodea:=1,:=quotfun1quotig_trapezoid_,refintegralrefrefig_simpson_,…
media2024-03-20_wefcpvnqqtg5qgjaimage169,quotimgig_trapezoid_,stringvarvdoubleintegera@@,积分结果范例tcodea:=1,:=quotfun1quotig_trapezoid_,refintegralrefrefig_trapezoid_,…
率%板块为pn_bk设置,率之和求平均bk_hbgrowratio2,:=inttodate20120830setsysparampn_dated,mybkquotstkarrsetsysparampn_bkmyhs300,41code参考refhtmahref=,_hbgrowratio2_01ahtmref,…
一期的相关系数矩阵correlm_ewma,alphatypeintegeradjustboolmatrixa@@,%矩阵returns:=pf_getportfolioratestocks,endt11returncorrelm_ewmreturns,media2026-01-29_cdnhy4sy6j03qg5zimage30,…
一期的协方差矩阵covariance_ewma,adjustboolbiasedboolmatrixa@@,media2026-01-29_cdnhy4sy6j03qg5zimage22,img修正后的htmahref=,eequottarget=quot_blankquot,偏的加权样本方差ahtm默认,…
media2024-03-20_wefcpvnqqtg5qgjaimage169,quotimgig_simpson_,stringvarvdoubleintegera@@,积分结果范例tcodea:=1,:=quotfun1quotig_simpson_,refintegralrefrefig_trapezoid_,…
media2024-03-20_wefcpvnqqtg5qgjaimage170,quotimgig_simpson_,stringvarvdoubleintegera@@,积分结果范例tcodea:=1,:=quotfquotig_simpson_,refintegralrefrefig_simpson_,…
ldl分解基础函数如果a正定l,d*l=amt_,_ldlarap,分解结果的行列信息a如果为,中提取参考refmt_decompose_,refcholrefrefmt_decompose_,refrefmt_decompose_,refrefmt_decompose_,…