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@ -13,7 +13,7 @@ Discrete fields are stored in one of two forms:
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discrete indices referring to positions on the x, y, and z axes respectively.
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discrete indices referring to positions on the x, y, and z axes respectively.
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+ For a vector field, the first index specifies which vector component is accessed:
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+ For a vector field, the first index specifies which vector component is accessed:
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`E[:, m, n, p] = [Ex[m, n, p], Ey[m, n, p], Ez[m, n, p]]`.
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`E[:, m, n, p] = [Ex[m, n, p], Ey[m, n, p], Ez[m, n, p]]`.
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- The `vfdfield_t` form is simply a vectorzied (i.e. 1D) version of the `field_t`,
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- The `vfdfield_t` form is simply a vectorzied (i.e. 1D) version of the `fdfield_t`,
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as obtained by `meanas.fdmath.vectorization.vec` (effectively just `numpy.ravel`)
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as obtained by `meanas.fdmath.vectorization.vec` (effectively just `numpy.ravel`)
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Operators which act on fields also come in two forms:
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Operators which act on fields also come in two forms:
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jan
2 years ago