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For solving for a single unknown in sequential solvers ____________ is used.

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in Computational Fluid Dynamics by (118k points)
For solving for a single unknown in sequential solvers ____________ is used.

(a) Direct solver

(b) LU decomposition

(c) Elimination method

(d) Iterative solver

I got this question in an international level competition.

My question is based upon Numerical Methods in chapter Numerical Methods of Computational Fluid Dynamics

1 Answer

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Best answer
The correct option is (d) Iterative solver

Best explanation: For each inner iteration, one variable is unknown and all other variables are treated as known values. It is ineffective to solve this system accurately for one unknown. So, the iterative solvers are preferred to direct solvers in this case.

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