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some polish

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2020-09-11 16:30:05 -07:00
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docs/chapters/curvefitting/content.en-GB.md
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@@ -235,7 +235,7 @@ So, we have our error function: we now need to figure out the expression for whe
That... is a good question. In fact, when trying to run through this approach, I ran into the same question! And you know what? I straight up had no idea. I'm decent enough at calculus, I'm decent enough at linear algebra, and I just don't know.
So I did what I always do when I don't understand something: I asked someone to help me understand how things work. In this specific case, I [posted a question](https://math.stackexchange.com/questions/2825438) to [Math.stackexchange](https://math.stackexchange.com), and received a answer that goes into way more detail than I had hoped to receive.
So I did what I always do when I don't understand something: I asked someone to help me understand how things work. In this specific case, I [posted a question](https://math.stackexchange.com/questions/2825438/how-do-you-compute-the-derivative-of-a-matrix-algebra-expression) to [Math.stackexchange](https://math.stackexchange.com), and received a answer that goes into way more detail than I had hoped to receive.
Is that answer useful to you? Probably: no. At least, not unless you like understanding maths on a recreational level. And I do mean maths in general, not just basic algebra. But it does help in giving us a reference in case you ever wonder "Hang on. Why was that true?". There are answers. They might just require some time to come to understand.