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Hash table declaration

version 1.0.0.0 (5.23 KB) by Dimitar Atanasov
Hash table declaration

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Updated 24 Feb 2010

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H = hash;

H('key') = value; %assign value to key

v = H('key'); % retrieve value for a key

H.keys % return cell array of keys

H. values % return array of values

H.idx % returns sparse matrix of indexes

Remark:

The hash function used is sum of the key.

It can easily be changed if needed.

Cite As

Dimitar Atanasov (2019). Hash table declaration (https://www.mathworks.com/matlabcentral/fileexchange/26778-hash-table-declaration), MATLAB Central File Exchange. Retrieved .

Comments and Ratings (2)

Hello,

I'm seeing a two times increase for get operations for a ten times increase in data points. Is this expected from the hash design, or am I doing something wrong? In comparison, using java.util.Hashtable I am seeing a nearly constant get operation time for a ten times increase in data points.

Yen Hanning

simple and useful.

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux