Diary (January 21, 2021): Difference between revisions
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=== Differential equation linearity === | |||
A first‐order [[Differential equation (nonfiction)|differential equation]] is said to be linear if it can be expressed in the form y' + P(x)y = Q(x) | |||
where P and Q are functions of x. | |||
=== It's the machine learning, oxymoron=== | === It's the machine learning, oxymoron=== | ||
Revision as of 04:52, 21 January 2021
Online diary of Karl Jones for Thursday January 21, 2021.
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Diary
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Differential equation linearity
A first‐order differential equation is said to be linear if it can be expressed in the form y' + P(x)y = Q(x)
where P and Q are functions of x.
It's the machine learning, oxymoron
It's the machine learning, oxymoron
Topology is destiny
Fraa Jad stood up and, in the same motion, stripped his bolt off over his head. Some of the hierarchs gasped and turned their backs. Nothing happened for a little while. I rummaged in his shopping bag and found a pair of drawers, which I handed to him.
“Do I need to explain this? ” I asked, pointing out the fly.
Fraa Jad took the garment from me and discovered how the fly worked. “Topology is destiny, ” he said, and put the drawers on. One leg at a time.
—Neal Stephenson, "Anathem" (2008)