identity matrix

Summary

identity matrix ranks in the top 2% of general entities by monthly Wikipedia readership (364 views/month).^[1]

Key Facts

• identity matrix's subclass of is recorded as permutation matrix^[2].
• identity matrix's subclass of is recorded as idempotent matrix^[3].
• identity matrix's subclass of is recorded as signature matrix^[4].
• identity matrix's subclass of is recorded as orthostochastic matrix^[5].
• identity matrix's subclass of is recorded as alternating sign matrix^[6].
• identity matrix's subclass of is recorded as unistochastic matrix^[7].
• identity matrix's subclass of is recorded as scalar matrix^[8].
• identity matrix's subclass of is recorded as identity element^[9].
• identity matrix's Freebase ID is recorded as /m/0g816^[10].
• identity matrix's Gran Enciclopèdia Catalana ID is recorded as 0232838^[11].
• identity matrix's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics^[12].
• identity matrix's Encyclopædia Britannica Online ID is recorded as topic/identity-matrix^[13].
• identity matrix's different from is recorded as unitary matrix^[14].
• identity matrix's different from is recorded as matrix of ones^[15].
• identity matrix's defining formula is recorded as \left( \boldsymbol{I} \right){i k} = \delta{i k}^[16].
• identity matrix's MathWorld ID is recorded as IdentityMatrix^[17].
• identity matrix's nLab ID is recorded as identity matrix^[18].
• identity matrix's Elhuyar ZTH ID is recorded as 133679^[19].
• identity matrix's Interlingual Index ID is recorded as i80589^[20].
• identity matrix's maintained by WikiProject is recorded as WikiProject Mathematics^[21].
• identity matrix's Microsoft Academic ID is recorded as 134567657^[22].
• identity matrix's in defining formula is recorded as \boldsymbol{I}^[23].
• identity matrix's in defining formula is recorded as \delta_{i k}^[24].
• identity matrix's WordNet 3.1 Synset ID is recorded as 08286178-n^[25].
• identity matrix's IEV number is recorded as 102-06-13^[26].

Why It Matters

identity matrix ranks in the top 2% of general entities by monthly Wikipedia readership (364 views/month).^[1] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.^[27] It is known by 23 alternative names across languages and contexts.^[28]