Solving Simultaneous Equations and Matrices - casaxps.com
Copyright 2011 Casa Software Ltd. Solving Simultaneous Equations and Matrices The following represents a systematic investigation for the steps used to solve two Simultaneous linear Equations in two unknowns. The motivation for considering this relatively simple problem is to illustrate how matrix notation and algebra can be developed and used to consider problems such as the rotation of an object. Examples of how 2D vectors are transformed by some elementary Matrices illustrate the link between Matrices and vectors. Consider a system of two Simultaneous linear Equations : Multiply Equation (1) by and Equation (2) by : Subtract Equation (4) from Equation (3). Making the subject of the equation, assuming : Similarly, multiply Equation (1) by and Equation (2) by : Subtract Equation (7) from Equation (8). Making the subject of the equation, assuming : Equations (6) and (10) provide a solution to the Simultaneous Equations (1) and (2).
Solving Simultaneous Equations and Matrices The following represents a systematic investigation for the steps used to solve two simultaneous linear equations in two unknowns. The motivation for considering this relatively simple problem is to
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