# Constrained Dynamic Time Warping Distance Measure 1.0

OS : Windows / Linux / Mac OS / BSD / Solaris

Script Licensing : Freeware

Created : Sep 7, 2007

Downloads : 11

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## This is the C source code for a Matlab executable ...

This is the C source code for a matlab executable (MEX) function named cdtw_dist(). This function returns the Constrained (by Sakoe-Chiba band) Dynamic Time Warping distance between two time series. This function has 3 input parameters and 1 return value: "distance = cdtw_dist(query_vector, candidate_vector, radius); ".

The distance value is the square root of the minimum sum of squared differences divided by the number of comparisons. If radius == Inf, distance is the constrained dynamic time warping distance. Both the time and space complexity of this function are O(mn), where m is the length of the query_vector and n is the length of the candidate_vector.

This MEX function was tested using Matlab (R14SP1) for Windows with Matlab's Lcc C (v2. 4). These Matlab commands were used to compile this function: "mex -setup; mex cdtw_dist. c; ".

The distance value is the square root of the minimum sum of squared differences divided by the number of comparisons. If radius == Inf, distance is the constrained dynamic time warping distance. Both the time and space complexity of this function are O(mn), where m is the length of the query_vector and n is the length of the candidate_vector.

This MEX function was tested using Matlab (R14SP1) for Windows with Matlab's Lcc C (v2. 4). These Matlab commands were used to compile this function: "mex -setup; mex cdtw_dist. c; ".

**• MATLAB Release: R14SP1**

**Demands:****Constrained Dynamic Time Warping Distance Measure 1.0 scripting tags:**signal processing, constrained, rsp, distance, distance measure, matlab, dynamic, dynamic time warping, function.

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