Automatically Numbering base Nest Matrices

[SPRstructur]

Dear all
please help me  to solve as below:

1- Short the Matrices Automatic (As Picture below)
2- Automatic Numbering of Joint base on E Coordination (As Picture below)
3- And then put (2) into to Initial Matrices (As Picture below)
Best regards 
SPRstructur

[VladimirN]

From "Help Center":

• "Example: Effect of ORIGIN on non-Lookup Functions": https://support.ptc.com/help/mathcad/r7.0/en/#page/PTC_Mathcad_Help%2Fexample_effect_of_ORIGIN_on_other_functions.html%23 
• "Example: Lookup Functions": https://support.ptc.com/help/mathcad/r7.0/en/#page/PTC_Mathcad_Help%2Fexample_lookup_functions.html%23 
• "Lookup Functions": https://support.ptc.com/help/mathcad/r7.0/en/index.html#page/PTC_Mathcad_Help/lookup_functions.html#wwID0EETIGB 

[SPRstructur]

VladimirN

please guide me sir

[LucMeekes]

How about:

Success!
Luc

[SPRstructur]

Dear @LucMeekes and thank you but

The Variables are Joint(green ) and E_joint(green) are to Find/Solve
E is the input.

[terryhendicott]

Hi,

Have done the question 1 obtaining the unique nodes of the problem will work on question 2 and 3 now.

[terryhendicott · Accepted solution]

Hi,

Questions 2 and 3 answered.

Have corrected the use of 3 instead of zip in definition of connectivity in enclosed file.

[SPRstructur]

@terryhendicott  Thank u. he works well.