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2020-06-16 12:06:21 +0100 commented answer Find the coordinate vector of x with respect to the basis B

But it gives error. Integer(3)-dimensional vector space V over the Rational Field ^ SyntaxError: invalid syntax

What should I do?

2020-06-16 12:05:31 +0100 answered a question Find the coordinate vector of x with respect to the basis B

But it gives error. Integer(3)-dimensional vector space V over the Rational Field ^ SyntaxError: invalid syntax

What should I do?

2020-06-16 00:47:03 +0100 asked a question Find the coordinate vector of x with respect to the basis B

Find the coordinate vector of x=[2,3,4] with respect to the basis B={[1,2,3],[4,5,6],[7,8,9] with sagemath commands pls. I know that we should first determine vector and than basis at the end this process we should use coordinate_vector but i couldn't help please