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re: Biden tapping Bill Nye the 'not really a' science guy

Posted on 10/1/23 at 4:23 am to
Posted by Peebles
Member since Jul 2022
222 posts
Posted on 10/1/23 at 4:23 am to
quote:


He cited a paper touting past Climate Models as "skillful" projectors. I responded with a list of ~35-40 papers identifying modeling errors. Some were technical


I seriously can't figure out if you are being deliberately obtuse or are just completely ignorant. I will assume the latter and educate you. ALL models of anything that is continuous in space or time have errors, even if every input is accurate and the model faithfully includes all relevant physics. This is because digital computers cannot represent the mathematics of continuous variables. They can only do discrete mathematics. This includes every single non trivial fluid model in existence: climate models, models of blood flow, models of airflow around an airplane, models of neutron stars, and the models they used to come up with those fins that some 18 wheelers have hanging off their rear ends. Numerical modellers like to be able to quantify these errors so they can know how precise their models are, so they spend a lot of time writing papers on the matter.

You're welcome.
Posted by NC_Tigah
Carolinas
Member since Sep 2003
124507 posts
Posted on 10/1/23 at 5:23 am to
quote:

I seriously can't figure out if you are being deliberately obtuse or are just completely ignorant. I will assume the latter
You may be afflicted with the worst case of messageboard NSSI that I've ever seen.

How has that assumption thing worked for you so far?

quote:

ALL models of anything that is continuous in space or time have errors,
All is relative.

Some things are less of a near miss than others.


This post was edited on 10/1/23 at 5:52 am
Posted by JJJimmyJimJames
Southern States
Member since May 2020
18496 posts
Posted on 10/1/23 at 11:15 am to
quote:

I seriously can't figure out if you are being deliberately obtuse or are just completely ignorant. I will assume the latter and educate you. ALL models of anything that is continuous in space or time have errors, even if every input is accurate and the model faithfully includes all relevant physics. This is because digital computers cannot represent the mathematics of continuous variables. They can only do discrete mathematics. This includes every single non trivial fluid model in existence: climate models, models of blood flow, models of airflow around an airplane, models of neutron stars, and the models they used to come up with those fins that some 18 wheelers have hanging off their rear ends. Numerical modellers like to be able to quantify these errors so they can know how precise their models are, so they spend a lot of time writing papers on the matter.

You're welcome.
you literally know NOTHING about which you are speaking. NOTHING.

Your orbital cycles is pretty moro.. interesting...
This post was edited on 10/1/23 at 11:17 am
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