given a $2-$by$-2$ multiple $-$input multiple$-$output system:

The signals received at the receiver $($Rx$)$ are:

y$1($t$)=(-0\mathrm{.}648-0\mathrm{.}3650\mathrm{.}260-0\mathrm{.}0410\mathrm{.}435)$

y$2($t$)=(-0\mathrm{.}105-0\mathrm{.}2820\mathrm{.}395-0\mathrm{.}0240\mathrm{.}202)$