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Results tagged with linear-algebra
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user 4435
Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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Solution for $Xa + X^Tb = c$ where $X^TX = I$?
As a beginning of a search for solutions, we can take norms of each side. We then get
$$\|a\|^2 + \|b\|^2 + 2 b\cdot (X^2 a)=\|c\|^2,$$
which is enough to fix the angle between $b$ and $X^2 a$.
Simil …
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