Matrix Inverse rows β column S T size 2x2 Square M. A. Hameed ECSE Department Rensselaer Polytechnic Institute Intro to ECSE
Invert A 2x2 to determine A -1 β adj agate . π© β1 = 1 π© = π π π© πππ π© I I π π 2x z = determinant π© = ππ β ππ 1 - π βπ π© β1 = ππ β ππ βπ π = [ π βπ adΓ· . Β₯ πππ π© = a 'aΓ· βπ π Γ· Γ· M. Hameed 5 October 2019
Example π΅ = 1 2 det CA ) IAI = 3 4 2Γ2 - 6 4 -2 = = Β£43 - I ] adj CA ) - - = E : - i ] = I ' A- ' * a = M. Hameed 5 October 2019 5 October 2019
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