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Bilinear interpolation: Difference between revisions
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Line 126:
f1( 1,-1) = 1, f1(all other corners) is 0.
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The coordinates (xi,eta) are a vector length 2 as argument y
Supply to interpolate the function values at nodes 0 1 2 and 3 as the x argument.
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Line 147 ⟶ 149:
upper left: 2.2
upper right: 0.7
GRID is an array of coordinate pairs (hence rank 3)
ordered so that _1 _1 is in the lower left of the picture,
directed with 1 _1 to lower right.
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