# Vector valued scalar function?

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#1
Hi (again!)

In the notes my lecturer has given us for line integrals over scalar fields, he talks about "vector valued scalar functions" .

I thought a vector valued function was a function taking in either a vector or scalar and outputting a vector, and I thought a scalar function was something outputting a scalar?

Which of these definitions is wrong?
I'm terribly confused and would greatly appreciate any clarification!
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7 months ago
#2
(Original post by marinaelise)
Hi (again!)

In the notes my lecturer has given us for line integrals over scalar fields, he talks about "vector valued scalar functions" .

I thought a vector valued function was a function taking in either a vector or scalar and outputting a vector, and I thought a scalar function was something outputting a scalar?

Which of these definitions is wrong?
I'm terribly confused and would greatly appreciate any clarification!
Which function was it? I presume its a function taking in a scalar and outputting a vector.
0
7 months ago
#3
What you have written is correct.

Only thing I can think of is a vector valued function whose input is a scalar, but the terminology would be nonstandard.
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#4
(Original post by mqb2766)
Which function was it? I presume its a function taking in a scalar and outputting a vector.
it was actually a function taking a vector outputting a scalar, which makes me wonder if its a mistake
0
7 months ago
#5
(Original post by marinaelise)
it was actually a function taking a vector outputting a scalar, which makes me wonder if its a mistake
Vector valued generally means the reverse. Why not ask the lecturer?
1
#6
(Original post by mqb2766)
Vector valued generally means the reverse. Why not ask the lecturer?
I don't want to be the one who points out mistakes in his notes I guess I don't make a habit of it I'll do that
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7 months ago
#7
(Original post by marinaelise)
I don't want to be the one who points out mistakes in his notes I guess I don't make a habit of it I'll do that
Just ask! Think of it as doing your future classmates a favour by clearing up some confusion
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#8
(Original post by RDKGames)
Just ask! Think of it as doing your future classmates a favour by clearing up some confusion
haha , a nice way to put it!
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