Hello Mr. Bernard
I learned that the container symbol of grouping data like [] or {} is indifferent, what matters is how the machine recognizes them, xcas recognizes a set set[], a list list[], a polynomial poly1[]
simply my desire to more easily recognize matrices is that every command that returns a matrix type incorporates the prefix array or matrix, with the idea that the student differentiates a set, polinomiom as coefficients and matrices when copying from an output to an entry line
besides this is not my idea, Maple operates in this way
M1 ≔ Array([1,2,3])
thank you
Array([1,2,3])
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