Mastering Matrices in Python
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Questions and Answers

Which data structure consists of numbers in rows and columns?

  • List
  • Set
  • Matrix (correct)
  • Array

How many elements are there in the matrix given in the text?

  • 6
  • 12
  • 9 (correct)
  • 3

What is the dimension of the matrix that has 3 rows and 1 column?

  • 4x4
  • 2x2
  • 1x3
  • 3x1 (correct)

Which command is used to create a matrix in Python?

<p>matrix() (D)</p> Signup and view all the answers

In a matrix, what runs horizontally?

<p>Rows (D)</p> Signup and view all the answers

Which of the following best describes a matrix?

<p>A two-dimensional data structure consisting of numbers in rows and columns (A)</p> Signup and view all the answers

How many elements are there in the matrix given in the text?

<p>9 (C)</p> Signup and view all the answers

What is the dimension of the matrix that has 3 rows and 1 column?

<p>3x1 (B)</p> Signup and view all the answers

Which command is used to create a matrix in Python?

<p>numpy.matrix() (D)</p> Signup and view all the answers

What does the 'matrix' command in Python return?

<p>A matrix (A)</p> Signup and view all the answers

Study Notes

Matrix Definition

  • A matrix is a data structure consisting of numbers in rows and columns.

Matrix Characteristics

  • The number of elements in a matrix depends on the specific matrix.
  • A matrix with 3 rows and 1 column has a dimension of 3x1.

Creating a Matrix in Python

  • The matrix command is used to create a matrix in Python.
  • The matrix command in Python returns a matrix data structure.

Matrix Structure

  • Rows run horizontally in a matrix.
  • A matrix is a rectangular array of numbers, symbols, or expressions.

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Description

Learn about matrices in Python and their creation, dimensions, element modification, and accessing. Explore various matrix operations available in Python.

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