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Revision difference : fixed point |
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A fixed point $x$ of a function $f:X\to X$, is a point that remains constant upon application of that function, i.e.:
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A fixed point $x$ of a function $f$ is a point that remains constant upon application of that function, i.e.:
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| $$f(x)=x.$$ |
$$f(x)=x.$$ |
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