Upper Darboux sum
= Upper Darboux sum
{title2=$U(f,P)$}
For a bounded function $f$ and a <partition of an interval> $P$, the upper Darboux sum multiplies the <supremum> of $f$ on each subinterval by its length and adds the results.
= Upper Darboux sum
{title2=$U(f,P)$}
For a bounded function $f$ and a <partition of an interval> $P$, the upper Darboux sum multiplies the <supremum> of $f$ on each subinterval by its length and adds the results.