Mathcad programming

[NM_10165576]

In the attached file below if i give sub = stack(sub,RA) at the end of program, it gives same options multiple times. 
could someone please explain, why the program does that?
can't attach Mathcad sheet.

[terryhendicott · Accepted solution]

Hi 

I notice three things that may not make a difference.

Your top row of the result are all zeros.  by Default matrices and vectors start with index 0 not 1.  This can be changed.

You should return the required value specifically for good programming practice

There is an extra vertical line that is not needed.  Carefully click arrow on the line till it turns blue then press delete.

[NM_10165576]

Thank you for the reply.

[vnamboodheri]

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