Digital Signal Processing – Defining & Using the Difference Equation
- This topic has 29 replies, 10 voices, and was last updated 2 months ago by
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Hi,
I think it was about determining the variables, it is theoretically interesting but I didn’t use it anymore after this…
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Couldn’t get prior link to work, maybe just a typo, so added again after finding it.
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I’m confused and I end up scrolling up and down trying to see what post is getting anwered / commented on.
If we are not ‘quoting’ a few words then it be good to copy and paste the name of whoever we are replying to?
Just trying to bring order to chaos (not really chaos 😉 ) as this Topic could be benefical to present and future readers.
Thank You
Have a Good Christmas and even more so … a Prosperous New Year!1 user thanked author for this post.
Hi GraHal,
That’s correct, a bit unclear. The problem with Safari (or maybe just me) is that “quoting” doesn’t work…
In a nutshell: the difference equation is nothing more than a general formula that expresses the difference between the input (Close) and the output (what you see on your screen) …
For example, when using a simple average as a system, the difference equation looks as follows:
Where the average (mu) is essentially the value (y[n]) that you’ll see in the chart…
In a recursive system, you also use previously calculated values of y[n], such as y[n-i], which adds an extra term to the equation:
You can also, for instance, include the standard deviation, as I’ve done…
Happy holidays to you as well…1 user thanked author for this post.
My wish for 2025 is to become a better loser… 😉
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I wish you to become a better winner too 😉 (would be better i guess)
1 user thanked author for this post.
Hi GraHal,That’s correct, a bit unclear. The problem with Safari (or maybe just me) is that “quoting” doesn’t work…
In a nutshell: the difference equation is nothing more than a general formula that expresses the difference between the input (Close) and the output (what you see on your screen) …
For example, when using a simple average as a system, the difference equation looks as follows:
Where the average (mu) is essentially the value (y[n]) that you’ll see in the chart…In a recursive system, you also use previously calculated values of y[n], such as y[n-i], which adds an extra term to the equation:
You can also, for instance, include the standard deviation, as I’ve done…Happy holidays to you as well…
Thank you for the explanation, happy holidays
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