Question

Forward elimination always starts from the

(a) Right of corner

(b) Middle of corner

(c) Upper left corner

(d) Last row

The question was posed to me by my school teacher while I was bunking the class.

My question comes from Tridiagonal Matrix Method for Material Balances in chapter Rigorous Distillation Calculations of Distillation Design

Answer 1

The correct option is (c) Upper left corner

To explain I would say: Forward elimination always starts from the upper left corner, all elements are covered as the approach is from top to bottom.