求nm阶矩阵a与n,和矩阵即c=a+b,_additionatmatrixb,varctmatrixintegera@@,4032mt_additiona,4code参考refmt_multiplicationref,mt_subtractionref,mt_transpositionref,…

溢价与系统股票pn_stock相关,tdtrtrtd分级a基金td,*1+涨幅分级a基金基金,的t-1分级a的净值,=母基金净值-a净值*,计算折溢价setsysparampn_stockquot,quotreturnfundcalculatednav_all20180903t,…

间关联矩阵转换tsf_assoc_,quot名称quotquot万科aquotquot,utype:=1returntsf_assoc_,media2026-01-26_8wktcrpnv8imv5weimage33,…

组合的百分比贡献pf_componentbetapercent2t,sw801180代码sz000002名称万科a比例%,行业代码sw801180returnpf_componentbetapercent2w1,media2024-01-08_igyqnpdpfidoi2hcimage766,…

个数与系统证券pn_stock有关,为日线已复权es_mi_,integer@@事件研究_增发日期,返回上证指数在万科a2006年,inttodate20070101v:=es_mi_,…

加权样本协方差矩阵weightedcovariance_freqa,warrayv1integermatrixa@@,%矩阵returns:=pf_getportfolioratestocks,=sumwreturnweightedcovariance_freqreturns,media2026-01-29_cdnhy4sy6j03qg5zimage19,…

求nm阶矩阵a与n,差矩阵即c=a-b,_subtractionatmatrixb,varctmatrixintegera@@,4032mt_subtractiona,0code参考refmt_multiplicationref,mt_additionref,mt_transpositionref,…

净额季度板块为pn_bk设置,流量净额请参见htmahref=,hlk391477206quottarget=quot_blankquot,ahtmbk_operateactivitycashps_,:=inttodate20120830setsysparampn_dated,…

均值协方差或方差norm_lineartransformmu,arraysigmarealorarrayarealor,原正态分布方差@@a@@,2为实数y=a+bx,ey=a+b,sigma:=10returnnorm_lineartransformmu,media2024-03-20_wefcpvnqqtg5qgjaimage529,…

第m个最大值sp_largeexp,小于n范例t万科a在2018,的最大值codesetsysparampn_stockquot,quotsetsysparampn_date20181030t,10quot日期quotsp_timequot,…