MATLAB: Finding rows with the closest values in two matrices matlab

MATLAB

I have two matrices with the same size [n,2]. One is the control matrix A and another is the test matrix B. In general, Numbers in B have close values to numbers in A. However, the each matched numbers in B is randomly distributed. The matched index need to be found to sort matrix B in the same sequence as A. How can I achieve it efficiently? For example:
A=                           
[-0.9  235.6
0.0  0.0
-0.2  76.8
-0.4  153.5
-0.7  312.7
-0.5  389.4
-0.6  466.6
0.1  548.7
0.1  625.5
0.7  702.6
0.8  779.3
1.4  861.1
2.2  938.0
3.2  1014.4];
B=
[
-1.037  312.275
-0.839  235.292
-0.826  389.108
-1.071  466.333
-0.542  548.430
-0.635  625.385
0.000  0.000
-0.210  76.612
-0.386  153.425
-0.302  702.214
0.147  779.087
0.522  860.808
1.355  937.624
1.928  1014.046];
I know I can use loop to solve this issue, but my matrix is quite big, the loop will be time-consuming. I also know that knnsearch can solve this problem, however, I can not use the statistical tool box. Does anyone have other good suggestions? Highly appreciate.

Best Answer

this method doesn't work because all the numeric data are generated from some images. Since the images are not always same/aligned, the data can not be simply sorted in matrix A and B to match each other.
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