Re: Division of two complex numbers

Am 21.01.2025 um 00:03 schrieb Chris M. Thomasson:

On 1/20/2025 2:48 PM, Moebius wrote:

Am 20.01.2025 um 23:40 schrieb Chris M. Thomasson:
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[...] Fwiw, a fun part of GLSL is doing stuff like:
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vec3 a = vec3(.25, 1, .75);
vec2 b = a.xz;
vec2 c = b + vec2(.75, .25);
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c now equals (1, 1)

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Nice.
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In math:
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a := (.25, 1, .75) ,
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b := (a_1, a_3) ,
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c := b + (.75, .25) .
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Then c = (1, 1) .
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:-P
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Question. What if
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vec4 a = vec4(.25, 1, .75, .999);
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vec3 b = a.xz<?>;
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I'd like to get b == (.25, .75, .999). :-P
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 That would be:
 vec4 a = vec4(.25, 1, .75, .999);
vec3 b = a.xzw;
 ;^)

C'mon... lol
And then?
xyzw ... uv ...
I usually use the "series"
      x, y, z, u, v, w
in math/physics.
.
.
.