Pointwise Approximation of Piecewise Convex Function in L_p, Quasi Normed Spaces
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Abstract
Some authors introduced direct inequalities for the constrained approximation of convex and piecewise convex functions in C[-1,1] with restricted degree of approximation. Here we study the pointwise constrained approximation of piecewise convex functions by pointwise polynomials .
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[1]
“Pointwise Approximation of Piecewise Convex Function in L_p, Quasi Normed Spaces”, JUBPAS, vol. 29, no. 3, pp. 145–153, Dec. 2021, doi: 10.29196/jubpas.v29i3.3888.