By the way, when entering matrices and vectors using square brackets
instead of the matrix writer, commas are kind of inconvenient and messy
looking. In RPN mode you can just use spaces between numbers.
Example: [[1 2 -5][2 1 7][4 4 0]] is a square matrix with rows 1,2,-5
etc. [[3][-1][5]] or simply [3 -1 5] works like a column vector. Use
double brackets for a row vector: [[1 -5 32]]. You can't do it this
way in Algebraic mode as it would interpret juxtaposition as
multiplication.
Richard in NC
instead of the matrix writer, commas are kind of inconvenient and messy
looking. In RPN mode you can just use spaces between numbers.
Example: [[1 2 -5][2 1 7][4 4 0]] is a square matrix with rows 1,2,-5
etc. [[3][-1][5]] or simply [3 -1 5] works like a column vector. Use
double brackets for a row vector: [[1 -5 32]]. You can't do it this
way in Algebraic mode as it would interpret juxtaposition as
multiplication.
Richard in NC