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J
JeffM
reacted to
blamocur's post
in the thread
Find the percentage of a value within a logarithmic range?
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I know next to nothing about potentiometers, and thus cannot give any specific insights. E.g., is it reasonable to expect a...
Dec 22, 2025
K
khansaheb
reacted to
lookagain's post
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Rational exponent
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\sqrt{1} \ = \ 1 \ only, as \ f(x) \ = \ \sqrt{x} \ is a single-valued function.
Dec 22, 2025
C
Calab
reacted to
blamocur's post
in the thread
Find the percentage of a value within a logarithmic range?
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Like
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I know next to nothing about potentiometers, and thus cannot give any specific insights. E.g., is it reasonable to expect a...
Dec 22, 2025
blamocur
replied to the thread
Find the percentage of a value within a logarithmic range?
.
I know next to nothing about potentiometers, and thus cannot give any specific insights. E.g., is it reasonable to expect a...
Dec 22, 2025
Dr.Peterson
replied to the thread
Find the percentage of a value within a logarithmic range?
.
Let's suppose that you have reason to expect the relationship to have the form y=65535-a\left(100-x\right)^{b}, and you know that...
Dec 22, 2025
M
Mortoupe
reacted to
mmm4444bot's post
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READ BEFORE POSTING
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Click HERE to jump to top. \;\Big\uparrow\; (This post is for thread bumps only.) \;
Dec 22, 2025
C
Calab
replied to the thread
Find the percentage of a value within a logarithmic range?
.
My original graph was just an arc drawn in Corel Draw and manipulated to pass through all the points. But, my sensor was wired wrong so...
Dec 22, 2025
Dr.Peterson
replied to the thread
Find the percentage of a value within a logarithmic range?
.
I take it you have "pot" on the vertical axis; but when I plot x=100-\left(\frac{65535-y}{35750}\right)^{7.38}, I get this, which...
Dec 21, 2025
C
Calab
replied to the thread
Find the percentage of a value within a logarithmic range?
.
It would help if I wired my controller up properly. I had the voltage divider wrong, hence only getting 32767 as a top range instead of...
Dec 21, 2025
L
lookagain
replied to the thread
Rational exponent
.
\sqrt{1} \ = \ 1 \ only, as \ f(x) \ = \ \sqrt{x} \ is a single-valued function.
Dec 20, 2025
Dr.Peterson
replied to the thread
Find the percentage of a value within a logarithmic range?
.
But that's exactly my point: All of these curves are possible. We can't know the value of a without more information, such as the...
Dec 20, 2025
blamocur
replied to the thread
Find the percentage of a value within a logarithmic range?
.
Not sure I completely agree with this. If we assume that the exponent depends on just 2 parameters a and b, i.e.: y = a b^x then the...
Dec 20, 2025
Dr.Peterson
replied to the thread
Find the percentage of a value within a logarithmic range?
.
What function did you graph? Does that represent what you have in mind, or is it just similar? One trouble is that if you want this to...
Dec 19, 2025
K
khansaheb
replied to the thread
Rational exponent
.
\sqrt{1}= \pm {1} = this is where it is useful to use complex representation 1 = cos[(2n+1)*π/2] + i * sin[(2n+1)*π/2]
Dec 19, 2025
jonah2.0
replied to the thread
Rational exponent
.
Beer induced ramblings follow. Let us again consult the magic Google AI god. All hail the magic Google AI conch!
Dec 19, 2025
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