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One point formula in quadratic approach is ____

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+1 vote
in Finite Element Method by (110k points)
One point formula in quadratic approach is ____

(a) w1f(ξ1)

(b) σ=εD

(c) Nt=(1-ξ)(1-η)

(d) Constant matrix

I had been asked this question in my homework.

My enquiry is from Numerical Integration topic in section Two Dimensional Isoparametric Elements and Numerical Integration of Finite Element Method

1 Answer

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Best answer
Correct choice is (a) w1f(ξ1)

For explanation I would say: In elementary algebra, the quadratic formula is the solution of the quadratic equation. There are other ways to solve the quadratic equation instead of using the quadratic formula, such as factoring, completing the square, or graphing. This is seen to be the familiar midpoint rule.

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