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For a linear system A²x=b is such that A is non singualr with A=2x2 matrix and b=2X1 find the solution
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Answers (3)
Chunru
on 5 Dec 2021
% Some random input
A = rand(2, 2)
b = rand(2,1)
% Solution
x = (A*A)\b
% To veryfy that: A*A*x = b
A*A*x
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Iqra Maqbool
on 5 Dec 2021
1 Comment
Chunru
on 5 Dec 2021
A = rand(2, 2);
Ainv = inv(A); % Ainv is given
b = rand(2,1);
% Solution
x = Ainv*Ainv*b
Walter Roberson
on 5 Dec 2021
syms A [2 2]
syms b [2 1]
syms x [2 1]
eqn = A^2 * x == b
solution = solve(eqn, x)
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Walter Roberson
on 5 Dec 2021
syms A [2 2]
syms b [2 1]
syms x [2 1]
eqn = inv(A) * x == b
solution = solve(eqn, x)
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