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In banded matrix, elements are _____ placed in stiffness matrix.

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in Finite Element Method by (110k points)
In banded matrix, elements are _____ placed in stiffness matrix.

(a) Singular

(b) Determinant values

(c) Directly

(d) Indirectly

The question was posed to me in quiz.

My doubt stems from Assembly of Global Stiffness Matrix for the Banded & Skyline Solutions topic in portion Trusses of Finite Element Method

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The correct answer is (c) Directly

The explanation: A band matrix is a sparse matrix whose non zero entities are confined to a diagonal band comprising the main diagonal and zero or more diagonals on either side. In the banded approach, the elements of each element stiffness matrix K^e are directly placed in banded matrix S.

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