Merge two sorted vectors into a sorted vector

Merge two sorted vectors 'a' and 'b' into a sorted vector 'c'
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Updated 9 Jul 2009

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mergesorted.m
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If we have two individually sorted vectors "a" and "b" but they are not sorted with respect to each other and we want to merge them into vector "c" such that "c" is also a sorted vector. Then c=mergesorted(a,b) can be used.

This function most likely make difference for very large vectors (may be elements in million). On P-4 machine when length of "a" is 2 million and length of "b" is 2.5 million then c=mergesorted(a,b) is around 3 times faster than using MATLAB builtin function c=sort([a,b]).

testmergesorted.m
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A simple test program to that test "mergesorted" and builtin "sort" function and compare their performance.

Cite As

Dr. Murtaza Khan (2024). Merge two sorted vectors into a sorted vector (https://www.mathworks.com/matlabcentral/fileexchange/8097-merge-two-sorted-vectors-into-a-sorted-vector), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
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mergesortedvectors/

Version Published Release Notes
1.1.0.0

BSD License

1.0.0.0