liesymm[Lie] - the Lie derivative
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Calling Sequence
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Lie(form, V)
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Parameters
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form
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expression involving differential forms relative to specific coordinates
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V
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name or an explicit isovector [V1,V2,...Vn]
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Description
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The Lie derivative of the differential form form is constructed with respect to where n is the number of coordinates.
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This routine is part of the liesymm package and is loaded via with(liesymm).
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Examples
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| (1) |
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| (2) |
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*(Diff(f(x, y, z), x))+V[2](x, y, z)*(Diff(f(x, y, z), y))+V[3](x, y, z)*(Diff(f(x, y, z), z)))*d(x)+f(x, y, z)*((Diff(V[1](x, y, z), x))*d(x)+(Diff(V[1](x, y, z), y))*d(y)+(Diff(V[1](x, y, z), z))*d(z))](/support/helpjp/helpview.aspx?si=7524/file04229/math86.png)
| (3) |
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*(Diff(f(x, y, z), x))+V[2](x, y, z)*(Diff(f(x, y, z), y))+V[3](x, y, z)*(Diff(f(x, y, z), z)))*`&^`(d(x), d(y))+f(x, y, z)*((Diff(V[1](x, y, z), x))*`&^`(d(x), d(y))-(Diff(V[1](x, y, z), z))*`&^`(d(y), d(z))+(Diff(V[2](x, y, z), y))*`&^`(d(x), d(y))+(Diff(V[2](x, y, z), z))*`&^`(d(x), d(z)))](/support/helpjp/helpview.aspx?si=7524/file04229/math93.png)
| (4) |
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