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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