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Riemann-Stieltjes integral $\int\limits_a^b f(x) \, \mathrm{d}g = \frac{\log ^2(n)}{2 \log (10)}|_a^b$

I'm having trouble with this integral: $\int\limits_a^b f(x) \, \mathrm{d}g = \frac{\log ^2(n)}{2 \log (10)}|_a^b$ If I want to find the product such: $10^m.10^{m+1}...\leq n$ so for example for $...
onepound's user avatar
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1 vote
1 answer
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An interpretation of the Riemann-Stieltjes integral

Suppose we have an Stieltjes integral $h=\int f dg$ then use the fundamental theorem to get $dh=fdg$ and divide by $dg$ i.e $\frac{dh}{dg}=f$. Is this meaningful and if so does anyone know any ...
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2 votes
4 answers
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How does Volume work with integration?

Using a cross section suppose, as described here: Area formula Paul Notes Suppose this is: $y = f(x)$. He says the volume is: $$\int_{a}^{b} A(x) dx$$ But how does area over that interval give ...
Amad27's user avatar
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