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2. Row echelon form - Wikipedia

   en.wikipedia.org/wiki/Row_echelon_form

   Thus, the row echelon form can be viewed as a generalization of upper triangular form for rectangular matrices. A matrix is in reduced row echelon form if it is in row echelon form, with the additional property that the first nonzero entry of each row is equal to and is the only nonzero entry of its column. The reduced row echelon form of a ...

3. Foreign market entry modes - Wikipedia

   en.wikipedia.org/wiki/Foreign_Market_Entry_Modes

   For international trade, Foreign market entry modes are the ways in which a company can expand its services into a non-domestic market. There are two major types of market entry modes: equity and non-equity. The non-equity modes category includes export and contractual agreements. [1] The equity modes category includes joint ventures and wholly ...

4. Lemma (morphology) - Wikipedia

   en.wikipedia.org/wiki/Lemma_(morphology)

   Lemma (morphology) In morphology and lexicography, a lemma ( pl.: lemmas or lemmata) is the canonical form, [1] dictionary form, or citation form of a set of word forms. [2] In English, for example, break, breaks, broke, broken and breaking are forms of the same lexeme, with break as the lemma by which they are indexed.

5. Barriers to entry - Wikipedia

   en.wikipedia.org/wiki/Barriers_to_entry

   A strategic barrier to entry is a cost incurred by new entrants that is artificially created or enhanced by existing firms. This could take the form of exclusive contracts, whether supply or demand-side, or through price manipulation in non-competitive markets. A market with perfect competition features zero barriers to entry.

6. Simplified molecular-input line-entry system - Wikipedia

   en.wikipedia.org/wiki/Simplified_molecular-input...

   The simplified molecular-input line-entry system ( SMILES) is a specification in the form of a line notation for describing the structure of chemical species using short ASCII strings. SMILES strings can be imported by most molecule editors for conversion back into two-dimensional drawings or three-dimensional models of the molecules.

7. Data processing - Wikipedia

   en.wikipedia.org/wiki/Data_processing

   A data processing system is a combination of machines, people, and processes that for a set of inputs produces a defined set of outputs. The inputs and outputs are interpreted as data, facts, information etc. depending on the interpreter's relation to the system. A term commonly used synonymously with data or storage (codes) processing system ...

8. Debits and credits - Wikipedia

   en.wikipedia.org/wiki/Debits_and_credits

   Debits and credits in double-entry bookkeeping are entries made in account ledgers to record changes in value resulting from business transactions. A debit entry in an account represents a transfer of value to that account, and a credit entry represents a transfer from the account. [1] [2] Each transaction transfers value from credited accounts ...

9. Database normalization - Wikipedia

   en.wikipedia.org/wiki/Database_normalization

   Database normalization. Database normalization is the process of structuring a relational database in accordance with a series of so-called normal forms in order to reduce data redundancy and improve data integrity. It was first proposed by British computer scientist Edgar F. Codd as part of his relational model .