Matrix operations
Check dimensions and order and carry out matrix operations.
Meaning
Add same-sized matrices entry by entry. Matrix multiplication pairs rows of the first with columns of the second; the first matrix's column count must equal the second's row count.
Example
Practice for this concept
Scope and references
Topics
Addition, subtraction, scalar multiplication, multiplication, order of multiplication
Learning goal
Check dimensions and order and carry out matrix operations.
Helpful background
Check row, column, and entry positions and arithmetic.
Matrix operations
These ordinary choice questions provide limited practice in this concept. They do not establish independent solution, full-concept performance, or mastery.