From: mail@...
Date: 2014-10-03T21:19:01+00:00
Subject: [ruby-core:65395] [ruby-trunk - Feature #10072] [PATCH] Implement	Vector.basis

Issue #10072 has been updated by gogo tanaka.


@Marc-Andre Lafortune

I get your point. I admire your taste.

After some agonizing, I came to the conclusion that it's good to implement `Vector.new` (like `Array.new`) also.

And implement `Vector#basis` as for `index`.
 
So I mean, how about using `Vector.new(3).basis(0)` instead of `Vector.basis(3, 0)` ?

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Feature #10072: [PATCH] Implement Vector.basis
https://bugs.ruby-lang.org/issues/10072#change-49194

* Author: gogo tanaka
* Status: Assigned
* Priority: Normal
* Assignee: Marc-Andre Lafortune
* Category: lib
* Target version: current: 2.2.0
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Standard basis vectors are really important in linear algebra.

And we usually need this when we use matrix or vector. (base conversion, principal component analysis...

This is why I implemented.

But I recognize Ruby should be not for mathematician but rubyist.

Ruby doesn't need too academic method.

So If you think it is too academic you can ignore my patches.


gogo.

---Files--------------------------------
implement_Vector.basis.patch (1.59 KB)


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