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Systems of Linear Equations (Matrix Form)
★★★☆☆High School
📖Definition
Systems of equations can be expressed and solved in matrix form Ax = b.
📐Formulas
Ax = b
Matrix form of system
x = A⁻¹b
Solution using inverse (det(A) ≠ 0)
✏️Examples
예제 1★★★☆☆
Solve x + 2y = 5, 3x + 4y = 11 using matrices.
⚡Applications
Engineering
Circuit analysis, structural analysis
Economics
Input-output analysis
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