I haven’t read tfa, so apologies if I’m missing context. But convolution is one example of an integral that outputs a function. Convolution is fundamental for c

I haven’t read tfa, so apologies if I’m missing context. But convolution is one example of an integral that outputs a function. Convolution is fundamental for control theory. https://en.wikipedia.org/wiki/Convolution?wprov=sfti1 https://en.wikipedia.org/wiki/Convolution?wprov=sfti1