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Hi, does xcas have a cmd to order the powers of a polynomial? and sort with respect to a variable?

It is the 9-th parameter of cas_setup.

Thanks, in the internal help, it only shows, up to the 7th parameter

cas_setup> Is the command for initialized the cas, arguments: Approx,Cplx_var,Cplx,Angle,Format,Epsilon,Digit,
cas_setup(Int,Int,Int,Int,Int,Real,Int)
Please complete the internal help.

When executing returns
cas_setup() =>
[0,0,0,1,160,[1e-12,1e-15],12,[1,100,0,25],0,1,0,1]