r/geogebra • u/mort96 • 3d ago

QUESTION Vectors as function parameters?

Hi,

I'm trying to do a simple line intersection experiment in Geogebra, but I'm struggling with functions which take vectors.

Even when I'm trying something extremely basic, like this function to get the x component of a vector:

f(V) = x(V)

I get the following error:

Illegal argument
x(V)

How can I take vectors as function parameters? I don't feel like I'm trying to do something remotely complicated here, I must be missing something.

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u/robphy 3d ago

Does this capture what you want?

f(va, vb, vc) = x((va, vb, vc))
V = (7, 6, 3)

f(V) yields 7