$\%$ Define the matrices A$,$ B$,$ and C A $=[1,2,0$; $-1,-2,3]$ B $=[-2,0,3$; $1,3,1$; $0,1,-1]$ C $=[3,1$; $2,-1$; $-1,0]\%$ Step $1$: Find the scalar product of $2$ times A and store it in Ans$1$ Ans$1=2*$ A $\%$ Step $2$: Find the product of A and B and store it in Ans$2$ Ans$2=$ A $*$ B $\%$ Step $3$: Create an identity matrix matching the size of Ans$2$ AI $=$ eye$($size$($Ans$2))\%$ Step $4$: Find the sum of Ans$2$ and AI and store it in Ans$3$ Ans$3=$ Ans$2+$ AI $\%$ Step $5$: Find CI $($identity matrix for C$$s dimensions$)$ minus $2$ times the transpose of Ans$2$ CI $=$ eye$($size$($C$))$ Ans$4=$ CI $-2*$ transpose$($Ans$2)$