Forward/Backward Pass

Submitted by GISdude on Sat, 08/11/2012 - 21:26

Does anyone have a good technique for learning the backward pass? I can't seem to get my head around it.

I can do a forward pass good, but the backward one is a tough nut to crack.

Thanks,

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sspawar

Sun, 08/12/2012 - 03:36

If you able to go forward- your last step is your first step to be backward.

Follow this simple funda, hope you could walk back to your start.

Take simple and short problems to understand.

Practice with 0 start examples. PMI favors this method.

Regards