Match the matrix type to its shorthand

Exercise and reference answers

Matching pairs

1. A

   Diagonal matrix

   B

   All off-diagonal entries 0

2. A

   Upper triangular

   B

   All entries below diagonal are 0

3. A

   Lower triangular

   B

   All entries above diagonal are 0

4. A

   Scalar matrix

   B

   Diagonal with equal entries