Solve Block Indexing

[DJF]

I'm looking at pipe flow in a series/parallel configuration.  Each pipe/flow/head is an index.  It works if I type in all the head loss equations individually, but I'd like to use a loop to automate it.  But, Mathcad doesn't seem to like it.  

This works:

This doesn't work (no solution found):

Any way to get it to work?

Thanks,

4.0 attached.

[Werner_E · Accepted solution]

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Any way to get it to work?

Here are two ways to make it work. The first one uses vectorization and is the preferred one.

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[DJF]

Ah, excellent work as always Werner.  I actually used the fun(Q) solution - as I need to add Moody factors and whatnot.  

Thanks!

P.S. Don't you ever sleep?

[Werner_E]

Sleep is overrated 😉

[VladimirN]

Underrated.

[-MFra-]

WE let me joke a little ..... Since you are active 24h on 24h, Maybe you have microprocessors instead of neurons ..... in the brain of course .......