subinterval

American  

[suhb-in-ter-vuhl] / sʌbˈɪn tər vəl /

noun

Mathematics.

1. an interval that is a subset of a given interval.

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Etymology

Origin of subinterval

First recorded in 1925–30; sub- + interval

Example Sentences

Figure 1.4 In the right-endpoint approximation of area under a curve, the height of each rectangle is determined by the function value at the right of each subinterval.

From Textbooks • Mar. 30, 2016

It is almost the same as the left-endpoint approximation, but now the heights of the rectangles are determined by the function values at the right of each subinterval.

From Textbooks • Mar. 30, 2016

Choose a representative x*i in each subinterval and calculate f ⎛x*i ⎞ for i = 1, 2,…, n.

From Textbooks • Mar. 30, 2016

Figure 1.3 In the left-endpoint approximation of area under a curve, the height of each rectangle is determined by the function value at the left of each subinterval.

From Textbooks • Mar. 30, 2016

To calculate the work done, we partition the interval ⎡a, b⎤ and estimate the work done over each subinterval.

From Textbooks • Mar. 30, 2016