# Solution to this equation

by zetafunction
Tags: equation, solution
 P: 399 given any function (or maybe distribution) f(x) and g(x) so $$f(x+i\epsilon ) - f(x-i\epsilon ) = g(x)$$ 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 $$\epsilon \rightarrow 0$$