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fix(docs): correct math expression #41

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Merged
thomasisensee merged 1 commit into from
Jul 17, 2026
Merged

fix(docs): correct math expression #41

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6 changes: 4 additions & 2 deletions include/ndtbl/grid.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ class Grid
* per axis. Along each axis, the one-dimensional weights are the cubic
* Lagrange basis weights for the selected four axis coordinates:
* \f[
* L_i(x) = prod_{j != i} (x - x_j) / (x_i - x_j)
* L_i(x) = \prod_{j \ne i} \frac{x - x_j}{x_i - x_j}
* \f]
* The multidimensional stencil is formed as the tensor product of these
* one-dimensional Lagrange weights. Consequently, the stencil contains
Expand Down Expand Up @@ -364,7 +364,9 @@ class Grid
* Given four support point indices on the selected axis and a query
* coordinate, this function computes the four Lagrange basis weights
*
* w_i = prod_{j != i} (x - x_j) / (x_i - x_j)
* \f[
* w_i = \prod_{j \ne i} \frac{x - x_j}{x_i - x_j}
* \f]
*
* using the actual axis coordinates `x_i`. The resulting weights define the
* unique cubic polynomial, restricted to this local four-point stencil, that
Expand Down
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