Acta mathematica scientia,Series B ›› 1993, Vol. 13 ›› Issue (4): 430-436.

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Lp(1 ≤ p ≤ ∞) APPROXIMATION BY AN n-DIMENSIONAL SUBSPACE ON A SET OF n+1 POINTS

Shi Yingguang   

  1. Computing Center, Academia Sinica, Beijing 100080, China
  • Received:1990-11-08 Online:1993-12-25 Published:1993-12-25

Abstract: Some new characterizations and immediate explicit expressions of best Lp(1 ≤ p ≤ ∞) approximation and their deviations by an n-dimensional subspace on a set of n+1 points are given.

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