noun
block matrix
A matrix partitioned into sub-matrices called blocks. Used in linear algebra and numerical analysis.
ブロック行列の積は、各ブロックの積で計算できる。
The product of block matrices can be computed by multiplying the individual blocks.
Compound of ブロック (burokku, 'block') and 行列 (gyōretsu, 'matrix'). The term is a direct calque from English 'block matrix'.