Something is 'undefined' when there is no good way to define it.
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Charles Hermite was a teacher of mathematics. The Hermite polynomials Hn(x) are orthogonal on the interval from 00 to +00 with respect to the weight function
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domain means the ranges of values that the x variable will exist. range means the range of values that the y variaiable will exist. the independent variable is the x variable on an
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