Digital Library of Mathematical Functions
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7 Error Functions, Dawson’s and Fresnel IntegralsProperties7.3 Graphics

Figure 7.3.4 (See in context.)

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Figure 7.3.4: |(x)|2, -8x8. Fresnel (1818) introduced the integral (x) in his study of the interference pattern at the edge of a shadow. He observed that the intensity distribution is given by |(x)|2.