Restricted_isometry_property

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Restricted isometry property - Wikipedia Jump to content From Wikipedia, the free encyclopedia Matrix property in linear algebra In linear algebra , the restricted isometry property ( RIP ) characterizes matrices which are nearly orthonormal, at least when operating on sparse vectors. The concept was introduced by Emmanuel Candès and Terence Tao [ 1 ] and is used to prove many theorems in the field of compressed sensing . [ 2 ] There are no known large matrices with bounded restricted isometry constants (computing these constants is strongly NP-hard , [ 3 ] and is hard to approximate as well [

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