Algebra of Vectors.

C   =   ( 1 1 2 1 − 1 3 1 0 3 )   ,   D = ( 1 − 1 1 1 2 − 1 4 2 1 )   , X = ( x 1 x 2 x 3 ) . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781351073646/fd11b66f-cd59-4ce4-834c-90d2edf6d01f/content/inline53-1.tif"/>