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Dictionary Data Type in MATLAB
Before MATLAB R2022b, there is no official dictionary data type. Though you can use Map Containers as an alternative. It is not very convenient in our daily work. In version R2022b, the official version is coming. Let’s have a look.
There are some functions in the dictionary object, like entries, keys, values, types, numEntries, isConfigured, and isKey. The content of each function is as follows:
The syntax is easy just like in Python and other languages.
Let’s take an example. d = dictionary(keys, values) creates a dictionary with specified keys and values. The resulting dictionary d is a 1-by-1 scalar object. If multiple values are assigned to the same key, then only the last of those values are assigned. New assignments to an existing key overwrite the value for that entry.
I use the dictionary data type to store the serial number and the group label of a seismograph. This helps me to sort and find the information more conveniently.
If you are interested in the dictionary data type, have a try!
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