I am currently working on a pipeline buckling calculation, but have become confused as to how to best tackle the following problem:

I have an array named P that contains 10475 rows filled with zeros, as follows:

Nodes:=10475
x6:=0..Nodes
P[x6:=0

The array P shows the height of the buckle (called Imperfection 6) along the length of pipeline.

This imperfection has its its own profile which is an array itself, beginning at zero, climbing to 0.5, and then back down to zero again. This array has 83 rows. I have called this array Buckle_Profile6.

I have also created an column vector that has as many rows as there are imperfections, in this case 2. This array, la6, contains randomly created numbers between 0 and Nodes, where each buckle profile will begin.

la6:=(3467)
     (5689)

So I wish to create a program that will bring up the same row in P as the numbers in la6, say P[3467. It then has to paste the values in Buckle_profile6 from P[3467 up to P[3467+83. It has to repeat this for however many rows I have in la6.

I really hope that this makes sense. I have only just begun using MathCad in this past week so mymethods of solving this problem are limited.

Any help would be greatly appreciated.

Thanks

Jamie