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In the least-square method, the gradient is computed using ___________

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In the least-square method, the gradient is computed using ___________

(a) trial and error method

(b) optimization method

(c) weighted average

(d) predictor-corrector method

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Correct option is (b) optimization method

Best explanation: The least-square method is based on an optimization procedure. This optimization carried over a function which is a function of the weight used, the gradients and the grid sizes in the x, y and z-directions.

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