given any function (or maybe distribution) f(x) and g(x) so(adsbygoogle = window.adsbygoogle || []).push({});

[tex] f(x+i\epsilon ) - f(x-i\epsilon ) = g(x) [/tex]

if we know f(x) could we obtain g(x) from the difference above ??

if we knew g(x) could we solve the equation to get f(x) ??

here [tex] \epsilon \rightarrow 0 [/tex]

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# Solution to this equation

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