Brute Force Vector Field Transformations
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I want to know if there is a way to see vector transformations in a more foolproof, brute force way. For example, I know that if we rotate a vector field with a rotation matrix $R$, we transform as follows:
$$vecV(vecx) to RvecV(R^-1vecx)$$
I intuitively see why, but is there an explicit way to show this? Does it not make sense to think about the matrix acting on the vector field, since each point $vecx$ defines a new vector space? I was thinking of just a Taylor expansion:
$$vecV(vecx)=vecV(0)+vecxcdotnablavecV(0)+...$$
And perhaps a factor of $R$ acts on the whole thing, but it's not clear to me if that works...
multivariable-calculus derivatives vector-spaces vectors vector-bundles
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up vote
0
down vote
favorite
I want to know if there is a way to see vector transformations in a more foolproof, brute force way. For example, I know that if we rotate a vector field with a rotation matrix $R$, we transform as follows:
$$vecV(vecx) to RvecV(R^-1vecx)$$
I intuitively see why, but is there an explicit way to show this? Does it not make sense to think about the matrix acting on the vector field, since each point $vecx$ defines a new vector space? I was thinking of just a Taylor expansion:
$$vecV(vecx)=vecV(0)+vecxcdotnablavecV(0)+...$$
And perhaps a factor of $R$ acts on the whole thing, but it's not clear to me if that works...
multivariable-calculus derivatives vector-spaces vectors vector-bundles
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I want to know if there is a way to see vector transformations in a more foolproof, brute force way. For example, I know that if we rotate a vector field with a rotation matrix $R$, we transform as follows:
$$vecV(vecx) to RvecV(R^-1vecx)$$
I intuitively see why, but is there an explicit way to show this? Does it not make sense to think about the matrix acting on the vector field, since each point $vecx$ defines a new vector space? I was thinking of just a Taylor expansion:
$$vecV(vecx)=vecV(0)+vecxcdotnablavecV(0)+...$$
And perhaps a factor of $R$ acts on the whole thing, but it's not clear to me if that works...
multivariable-calculus derivatives vector-spaces vectors vector-bundles
I want to know if there is a way to see vector transformations in a more foolproof, brute force way. For example, I know that if we rotate a vector field with a rotation matrix $R$, we transform as follows:
$$vecV(vecx) to RvecV(R^-1vecx)$$
I intuitively see why, but is there an explicit way to show this? Does it not make sense to think about the matrix acting on the vector field, since each point $vecx$ defines a new vector space? I was thinking of just a Taylor expansion:
$$vecV(vecx)=vecV(0)+vecxcdotnablavecV(0)+...$$
And perhaps a factor of $R$ acts on the whole thing, but it's not clear to me if that works...
multivariable-calculus derivatives vector-spaces vectors vector-bundles
asked Jul 24 at 23:48
Connor Dolan
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