how to calculate the sum of the values of some columns of a table

[P@Anand]

Did you check the number of elements in the circled array?

[achfire]

that's magic or what

[P@Anand]

Please go through some basic LabVIEW materials. You need some understanding on the basic programming and also the use of LabVIEW primitives.

[crossrulz]

It also helps things if you learn to keep your diagrams clean.  Avoid wire bends and keep things concise.

[achfire]

thanks for your help.

but i didn't get the average yet

[P@Anand]

You are picking the rows. Change the Index wire to column inside the for loop.

[achfire]

i already did it but nothing,maybe the mean vi doesn' t caclulate the average value

[P@Anand]

This is what I get.

[achfire]

that' the result that i wanna get,what is the difference between my vi and yours.the mean vi i guess

NB: i have labview 2012 i can't use your snippet

[crossrulz]

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@achfire wrote:

that' the result that i wanna get,what is the difference between my vi and yours.the mean vi i guess

NB: i have labview 2012 i can't use your snippet

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Post your latest VI.  There has to be something hidden that the picture is not showing.