How to create a determinant VI?

[LabViewLife]

I would like to create a program to calculate 3x3 matrix determinant. I know labview provided this function but i want to build myself. Any idea?

[KoenR94]

Maybe this will help you:

Remember!!: this is only true with matrices from 3x3.

You could use "get matrix diagonal" and "get matrix elements"

[alexderjuengere]

How about an array and a FOR-Loop? Here's a brute-force attempt:

Regards,
Alex

[johnsold]

Look at the Wikipedia article on determinants. In the Calculation section you will find discussion of alternate methods which are considerably more efficient for large matrices.  For your 3x3 matrix that is not an issue, but if you are interested in numerical calculation techniques, you should study those other methods. Very often using the definition of a mathematical process is far from the best way to calculate the result numerically on a computer.

Lynn

[DFGray]

The Numerical Recipes books offer code snippets and algorithms designed for efficient computer use.  You will need to translate from C/Fortran to LabVIEW, but that is usually fairly straightforward.  The "obsolete" versions are online with full text.

[paul_cardinale]

There's a built-in Determinant function.

Functions -> Mathematics -> Linear Algebra -> Determinant

[KoenR94]

---

There's a built-in Determinant function.

Functions -> Mathematics -> Linear Algebra -> Determinant

---

This is what the OP said:

---

I know labview provided this function but i want to build myself.

---

[paul_cardinale]

I noticed that after I clicked "Post".

Sorry for the wasted electrons (at least they were recycled).