Calculating the differences of elements in an array

I have one file that has 7 clocks of 1x10000 doubles. To start, I need to figure out how to sort the time differences between one element in the array and all of the other elements.
I have the file loaded and I know how to use the sort() function but I don't know how to calculate all the time differences to one element.
Any help would be much appreciated

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x=rand(1,10)
x = 1×10
0.3223 0.4650 0.4962 0.5099 0.6174 0.6520 0.6508 0.0071 0.4355 0.0731
d=x-x(1)
d = 1×10
0 0.1427 0.1739 0.1876 0.2951 0.3297 0.3285 -0.3153 0.1132 -0.2492

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