At the condition, at , N1=1 at ξ=-1 which yields c=\(\frac{-1}{2}\). Then these shape functions are called ____
a) Computer functions
b) Programming functions
c) Galerkin function
d) Lagrange shape functions
Answer: d
Explanation: The lagrange shape function sum to unity everywhere. At the given condition the shape functions are named as Lagrange shape functions.
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