bit confused?
In two dimensions, find vector equation for the x axis? I don't get how to do it without any positions given?? am i missing something obvious HELP..
Original post by Adipoptosis
y = 0
r = (0,0,0)+t(1,0,0)
edit wrong person...
Original post by calster102
In two dimensions, find vector equation for the x axis? I don't get how to do it without any positions given?? am i missing something obvious HELP..
look at post 3
Original post by TeeEm
look at post 3
Oh i see thanks
Original post by calster102
Oh i see thanks
no worries
Original post by TeeEm
no worries
I just have one question where did the 1 come from in the direction column vector why is it 1 and not 2 etc?
Original post by calster102
I just have one question where did the 1 come from in the direction column vector why is it 1 and not 2 etc?
The t before the direction vector can be any value, so it really doesn't matter.
Original post by Phichi
The t before the direction vector can be any value, so it really doesn't matter.
Ah i see so they just take the smallest number to use instead
Original post by calster102
Ah i see so they just take the smallest number to use instead
a small sensible number indeed
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