RectangeSum when b<a incorrect

dkuhlmann shared this question 4 years ago
Needs Answer

RectangleSum[f,a,b,n] when b<a is not drawing the rectangles correctly. If has worked in the past. Same problem in both MathApps and GGB 5.0.352. Interestly, LeftSum, LowerSum, UpperSum and TrapezoidalSum all work correctly for b<a.

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