sex in arth|The Enduring Allure of Erotic Art ,seks zonder gevoelens

Seks waar wel gevoelens aan te pas komen, is de maatschappelijke norm. Kun je seks hebben zonder gevoelens? De seksuoloog benadrukt dat seks zonder emotie volgens haar haast niet。

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The formula you quote, Sxx(ω):=limT→∞E[|1T−−√∫T0x(t)e−iωtdt|2], is not correct. I have never seen a reliable source that proves (or even asserts) that it converges. I see it a lot on the internet and in engisex in arthneering textbooks: they never bother to assert that it converges.