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Unformatted text preview: MIT OpenCourseWare http://ocw.mit.edu 6.055J / 2.038J The Art of Approximation in Science and Engineering Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms . 6.055 / Art of approximation 10 pit spacing 1 m capacity, area 1 m capacity 5 10 10 look on box 700 MB audio content 5 10 10 playing time 1 hour sample rate 44kHz bits/sample 32 area (10cm) 2 internal laser 1 m diffraction colors 1 m A tree is well suited for representing divide-and-conquer reasoning. This tree summarizes the whole analysis in one figure. This compact representation make it easier to find and fix mistakes in the numbers or the structure or to see which parts of the estimate are the least reliable (and probably need more subdividing). 2.3 Oil imports imports cars other uses fraction imported bust estimates. Here I estimate it by estimating how much oil cars use, then adjusting that For the next example of divide-and-conquer reasoning, we will make a tree from the beginning. The problem is to estimate how much oil the United States imports, in barrels per year. There are much oil the United States imports, in barrels per year....
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feb08b - MIT OpenCourseWare http://ocw.mit.edu 6.055J /...

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