a可以通过类,实例如下codesetsysparampn_stocksz000002,:=nday20date1sp_timedaydif,:=nday10date2sp_timemin,1*2minfromajoinc,方法如下select*fromajoinb,…

但需要关闭文件excelsaveas_2excelfilename,//文件c:\vbaxlsx另存为,:\vba_new,:=quotc:\vbaxlsxquot,:=quotc:\vba_new,ret:=rdo2excelsaveas_2dir,…

ts_stylefactor函数,的因子处理框架tsmf_processfactors不仅,后的风格因子ts_stylefactorendt,因子即因子列表htmahref=,factorsquottarget=quot_blankquot,因子按照因子列表htmahref=,quot_blankquotfactorsahtm中大,…

sf_normal函数,函数正态分布函数带入期望a=3,-10求积分值demo_sf_,media2024-04-18_cehgfbgh7vv1xx2kimage190,范例tcodereturndemo_sf_,…

mt_addition函数,函数矩阵加法其中矩阵a=array,2418返回a+b,_mt_addition范例,codereturndemo_mt_,media2024-04-18_cehgfbgh7vv1xx2kimage175,…

mt_subtraction函数,函数矩阵减法其中矩阵a=array,2418返回a-b,_mt_subtraction范例,codereturndemo_mt_,media2024-04-18_cehgfbgh7vv1xx2kimage174,…

mt_multiplication函数,求nm阶矩阵a与m,乘积矩阵即c=ab其中,为a=array,-1-3demo_mt_,范例tcodereturndemo_mt_,media2024-04-18_cehgfbgh7vv1xx2kimage171,…

mt_iv_,其中求逆的矩阵a=array,90100demo_mt_,范例tcodereturndemo_mt_,media2024-04-18_cehgfbgh7vv1xx2kimage172,…

sf_incompletegamma教学,不完全伽马函数带入a=0,3求函数值demo_sf_,media2024-04-18_cehgfbgh7vv1xx2kimage182,media2024-04-18_cehgfbgh7vv1xx2kimage183,…

mt_iv_,其中求逆的矩阵a=array,013970149demo_mt_,_gauss_jordan范例,codereturndemo_mt_,…