英语词汇“sine integral and cosine integral”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sine integral and cosine integral
释义	Sine Integral and Cosine Integral Sine Integral and Cosine Integral special functions respectively defined by the integrals These functions were introduced by the Italian mathematician L. Mascheroni in 1790. However it was already known (1781) to L. Euler that This integral is the simplest example of an improper integral that is convergent but not absolutely convergent. The functions Si (x) and Ci (x) are encountered in various problems of analysis and engineering, and comprehensive tables of them are available.
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Sine Integral and Cosine Integral

Sine Integral and Cosine Integral