...Matrix may refer to:

Science and mathematics

• Matrix , a mathematical object generally represented as an array of numbers
• Matrix calculus, a notation for calculus operations on matrix spaces
• Identity matrix
• Similarity matrix, which scores the similarity between two data points
• A number of bioinformatical matrices, including:
• Position-specific scoring matrix, which represents a pattern or motif in biological sequences
• Substitution matrix, which estimates the rate at which each possible residue in a biological sequence changes to each other residue over time
• PAM matrix, or Point Accepted Mutation matrix, used in scoring sequence alignments
• BLOSUM (BLOcks of Amino Acid SUbstitution Matrix), also used in scoring sequence alignments
• Matrix , with numerous meanings, often referring to a biological material where specialized structures are formed or embedded
• Extracellular matrix, any material part of a tissue that is not part of any cell
• Mitochondrial matrix, the inner part of a mitochondrion, where the Krebs cycle takes place
• Osteon or bone matrix, a form of connective tissue found in bone
• Nuclear matrix, an insoluble fraction of the cell nucleus
• Germinal matrix, an embryonic brain tissue
• Matrix, another term for a bacterial growth medium
• Matrix , the soil or sediment surrounding a dig site
• Harris matrix, an archaeological tool used to describe sediment deposition over time
• Matrix , the discarded portion of a sample used for chemical analysis
• Matrix , the fine grains between larger grains in igneous or sedimentary rocks
• Matrix isolation, a continuous solid phase in which particles (precipitates, etc.) are embedded
• Metal matrix composite, a type of composite material
Read full entry

This entry is from Wikipedia,the leading user-contributed encyclopedia.It may not have been reviewed by professional editors(See full disclaimer)