How to call same vi for 4 times in a single vi?

Hi.. I ve one vi named 1D array Mult. I need to call this vi four times in another vi program. The problem i ve experienced is all the four vi outputs are same.
My question is: How to call the same vi for many number of times?
Thanks in advance
Solved!
Go to Solution.

There is no problem (programmatically) with calling the same VI by placing it 4 times onto the block diagram. You do not have to rename them VI1, VI2, VIn if they all do the same thing, as you have done here with 1D-arrayMult... It's just messy.
You may need to make re-entrant in certain cases.
A better way to do it would of course be to use a For loop as shown (I left what you did in tact).
Are the two formula nodes identical? I didn't check. If so, use a for loop there too. Build your A and B matrices to a 3D array and auto-index in For loop - single instance of your formula node.
It is quite concerning what you have done in your 1-D Array VI. I have no idea what it is supposed to be doing, but it appears to be nothing; it is completely wrong.
There are backwards wires, your While loop does nothing (there is not shift-register) - how will it Stop?!, your cases 0, 1 and 2 are all the same! Timer of 1000ms??! hmm..
If you are trying to multiply two matrices (arrays) together then just use the native LV function to do it and to add them at the end try this:
Hope this helps you!
Message Edited by battler. on 03-12-2010 03:49 AM

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