hi,

Well, I did get extract the three columns with the script, but i wanted to know how to calculate the distance and put them in an output file.

The distance calculation is between row1_row2,...

Hello,

I am a beginner in perl. I am stuck with a problem. I have an array which looks like this

6.324 32.707 50.379
5.197 32.618 46.826
4.020 36.132 46.259
7.131 38.210 45.919
6.719...

Thank you so much.. that really helped me solve the problem

Hello,

I have a file with the data as shown below:

ATOM 2 CA ARG A 1 6.324 32.707 50.379
ATOM 13 CA THR A 2 5.197 32.618 46.826
ATOM 20 CA ASP A...

hi,

I want to know what is the regular expression to be written in order to match

ATOM 2 CA ARG A 1 6.324 32.707 50.379

the above XYZ coordinates in this line. I have a pdb...

Hello,

I am new to perl, but I would like write a perl script that can convert xyz cordinates from a pdb file to distances using the formula:
distance = SQRT[(X1-X2)^2 + (Y1-Y2)^2 +...