Double-index notation
Definition
Double-index notation is a way of representing elements in a two-dimensional array using two indices, one for the row and one for the column. It allows easy access to specific elements within the array.
Analogy
Think of a double-index notation as a grid system on a map. The rows represent latitude and the columns represent longitude. By specifying both latitude and longitude, you can pinpoint any location on the map.
Related terms
Single-index notation: A way of representing elements in a one-dimensional array using only one index.
Two-dimensional array: An array that stores data in rows and columns, forming a grid-like structure.
Element access: The process of retrieving or modifying an element within an array using its index values.
"Double-index notation" appears in:
Additional resources (1)
Practice Questions (2)
- Which of the following is the correct double-index notation to access the element in the first row and second column of a 2D array named "arrayD"?
- Which of the following is the correct double-index notation to access the element in the third row and second column of a 2D array named "arrayG"?
Resources
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