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8 lines
463 B
8 lines
463 B
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Exercise 2.15: Eva Lu Ator, another user, has
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also noticed the different intervals computed by different but algebraically
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equivalent expressions. She says that a formula to compute with intervals using
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Alyssa’s system will produce tighter error bounds if it can be written in such
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a form that no variable that represents an uncertain number is repeated. Thus,
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she says, par2 is a “better” program for parallel resistances than
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par1. Is she right? Why?
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