Matrices

What is a matrix in mathematics and computer science?

• A type of virtual reality simulation.

• A rectangular array of numbers.

• A complex algorithm for data encryption.

• A programming language for artificial intelligence.

What term is used to refer to the individual numbers within a matrix?

• Elements

• Values

• Entries

• Digits

How are the dimensions of a matrix typically expressed?

• Columns plus rows.

• Rows multiplied by columns.

• Rows by columns.

• Columns by rows.

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A matrix with 3 rows and 2 columns is described as having what dimensions?

• 2 by 3

• 3 by 2

• 5

• 6

In which fields are matrices particularly valuable for representing information and performing simulations?

• Literature and history.

• Computer graphics and economic simulations.

• Biology and chemistry.

• Philosophy and ethics.