Using comparison operators to solve several different mathematical expressions is not clear

[ALLAWI]

Though I found LabVIEW very interesting , still some of its basic fundamentals are not clear, like using comparison operators (>,<,..) for solving different

mathematical expressions. Please give example showing how to use such operators in advanced mathematical problems.

Best Regards,

Allawi

[altenbach]

Open the example finder (help...find examples) and look e.g. at the example named "Greater - Various uses.vi"

Please aks again if anything is not clear.

[allawi1]

The Greater-Various Uses.vi example shows how the function operating with different types of data. What I am looking for is how to use such functions

in selecting different mathematical expressions i.e..(working like logical if statement).

[altenbach]

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@allawi1 wrote:

What I am looking for is how to use such functions in selecting different mathematical expressions i.e..(working like logical if statement).

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You need to be more specific. A comparison operation IS like a logical IF statement and the result is either TRUE or FALSE.

What do you mean by a "mathematical expression"? What do you mean by "different"? Can you give an illustrative example?

If two alternative mathematical expressions should depend on the comparison, wire the comparison output to a case structure and place the two different expressions in their own case, for example.

[allawi1]

The following is what I mean:-

If X >= CONSTANT then solve EQUATION 1  else solve EQUATION 2.

Please construct a block diagram for this simple IF "logical" statement using comparisons functions.

Thanks.

[johnsold]

Have you worked through the on-line tutorials for LabVIEW? Your question is very elementary and should be covered by those tutorials.

Lynn