How can I compute the distance formula between two specific atoms when these two atoms have different xyz coordinates each time?
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I have similar data table to this:
A = 10x3
C -0.7146 0.5304 -1.1481
C -1.1512 0.7561 0.4465
C 0.9622 1.8652 0.1832
C 0.2667 0.1483 -0.5122
C -1.0791 -2.5351 -0.7354
H -1.2107 1.7495 -1.6239
H -0.3533 -0.4565 -1.5120
H 1.8556 -0.3747 -0.2835
C 0.5873 -0.5978 -1.3833
C 0.3756 -1.4333 -1.3172
A = 10×3
C -0.8346 0.6204 -1.0881
C -1.7712 0.7661 0.5565
C 0.7822 1.0052 0.6832
C 0.2667 0.1483 -0.5122
C -1.0791 -2.5351 -0.7354
H -1.2111 1.7295 -1.1001
H -0.3422 -0.4733 -1.7731
H 1.8661 -0.3617 -0.2881
C 0.5611 -0.5272 -1.0844
C 0.8742 -1.9703 -1.8312
And this data is repeated 20 times with different values of xyz coordinates each time, so I want to pick up only the second row and the fourth row and calculate the distance formula for these two points of each data table. so the result has to be 20 answers of distances. How can I do that, please? I don’t know if this needs loop and how?
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