How to Maximize the Variable within given bounds

2015 8 30
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更新时间：2015 8 30
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How would one go about finding the largest number x (one significant digit is enough) such that the numerical evaluation of expression (1 + x) − 1 equals to zero.
I need to show that MatLab gives strange answers sometimes (thanks to Floating-point arithmetic).

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Walter Roberson
Walter Roberson 2015-8-30

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x = eps(1/2)

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Benjamin Halkowski
Benjamin Halkowski 2015-8-30
Thank you, but is there anyway to have MATLAB spit out this infinitesimal amount while solving for the linear function above?

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