Visualizing linear functionals Linear form
geometric interpretation of 1-form α stack of hyperplanes of constant value, each corresponding vectors α maps given scalar value shown next along sense of increase. 0 plane through origin.
in finite dimensions, linear functional can visualized in terms of level sets. in 3 dimensions, level sets of linear functional family of mutually parallel planes; in higher dimensions, parallel hyperplanes. method of visualizing linear functionals introduced in general relativity texts, such gravitation misner, thorne & wheeler (1973).
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