Store data values in a
Map object, which is a data structure that associates each value with a corresponding key. A
Map object is similar to a dictionary or associative array in that you can use keys to retrieve values from it. Keys can be numbers or text, providing more flexibility for data access than array indices.
- Overview of Map Data Structure
A Map is a type of fast key lookup data structure that offers a flexible means of indexing into its individual elements. The indices for a Map can be nearly any scalar numeric value or a character vector.
- Description of Map Class
A Map is an object, or instance, of the
- Create Map Object
Create a Map using the
- Examine Contents of Map
This example shows how to find all the keys and values in a Map.
- Read and Write Using Key Index
This example shows how to read from a Map structure and how to add new key/value pairs.
- Modify Keys and Values in Map
This example shows how to remove and modify keys and values in a Map structure.
- Map to Different Value Types
This example shows how to store structures or cell arrays in a Map structure.