Cartesian form of a 3D line

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Cartesian form of a 3D line

Postby lora » Sat Apr 20, 2013 5:34 pm

Vectors, Cartesian equation form of a line 3D, IB Maths HL

How can we find the Cartesian equation form of the line passing through the point and is parallel to the vector ?


Thanks
lora
 
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Re: Cartesian form of a 3D line

Postby lily » Sat Apr 20, 2013 6:06 pm

The Cartesian form for the equation of a straight line is :




where is a position vector (a point on the line)

and is a direction vector ( a vector parallel to the line)


Concerning your question we have that the Cartesian equation form is given by the following formula:





Hope these help!
lily
 
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Re: Cartesian form of a 3D line

Postby lora » Sat Apr 20, 2013 6:20 pm

Thanks Lily!!
lora
 
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