Linear Algebra, Linear Transformation, JavaScript.
βe⃗₂. The numbers α, β ∈ R are the coefficients in this linear combination. The matrix-vector product is defined expressly for the purpose of studying linear combinations. We can describe the above linear combination as the following matrix vector product: y⃗=Ex⃗. The matrix E has e⃗₁ and e⃗₂ as