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Gauss points are also the points used for numerical evaluation of _____

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Gauss points are also the points used for numerical evaluation of _____

(a) Surfaces

(b) k^e

(c) Elements

(d) Planes

I had been asked this question by my college professor while I was bunking the class.

Question is taken from Numerical Integration topic in portion Two Dimensional Isoparametric Elements and Numerical Integration of Finite Element Method

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Correct choice is (b) k^e

To explain: Stiffness is the rigidity of an object, the extent to which it resists deformation in response to an applied force. The complementary concept is flexibility or pliability: the more flexible an object is the less stiff it is. A stiff equation is a differential equation for which certain numerical methods for solving the equation are numerically unstable, unless the step size is taken to be extremely small.

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