q.copy() works. Thank you very much! 3 Mayıs 2019 Cuma 11:01:36 UTC+3 tarihinde Kalevi Suominen yazdı: > > Perhaps you should make a copy of q: w = q.copy(). > > Kalevi Suominen > > On Friday, May 3, 2019 at 10:50:29 AM UTC+3, [email protected] > <javascript:> wrote: > >> Hello, >> >> I am new to sympy and I want removed one column of a matrix and I >> want to keep the original one also but when I use col_del() command it >> deletes the column for all matrices. Do you have idea how I can keep >> original while I changing matrix with another name? >> The example I am writing is like that >> >> q=sp.Matrix([[x,x+1],[x-1,x+2]]) >> >> w=q >> >> w.col_del(0) >> w1=w >> >> Then all q, w, w1 have deleted columns but I want to keep q unchanged. >> >>
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