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23. 2D arrays and matrices

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Lesson 23

2D arrays and matrices

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What you will learn in this lesson

  • Store a table of rows and columns in a 2D array.
  • Reach one cell with two indexes: row first, column second.
  • Print a 2D array as a neat grid with nested loops.
  • Find the total of each row and each column.
  • Add and multiply two matrices, and find a transpose.

65 minutes Lesson 23 of 37

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