Create the following matrix by assigning vectors with constant spacing to the rows $($use the linspace command for the third row$).$ Do not type individual elements explicitly.

$A=$

$\backslash$table$[[1\mathrm{.}0000,2\mathrm{.}0000,3\mathrm{.}0000,4\mathrm{.}0000,5\mathrm{.}0000,6\mathrm{.}0000,7\mathrm{.}0000],[7\mathrm{.}0000,6\mathrm{.}0000,5\mathrm{.}0000,4\mathrm{.}0000,3\mathrm{.}0000,2\mathrm{.}0000,1\mathrm{.}0000],[2\mathrm{.}0000,3\mathrm{.}1667,4\mathrm{.}3333,5\mathrm{.}5000,6\mathrm{.}6667,7\mathrm{.}8333,9\mathrm{.}0000]]$