Hi tchaou,
The message I see for error -90026 is, "Error in function '=' at line 13. The indexes for a matrix indexing operation must be real, positive integers." At line 13 it looks like you are using
D as an index. Indices in MathScript are 1-based, which means the value you input for
D must be at least 1. Since you also use
t as an index (on line 15), it must also be 1 or greater. If I set the "Distance de la source X" and "Temps instantané" controls to be 1 then I can run the script without error.
Here's a tip when you're seeing problems like this with intermediate values in your MathScript Node. In LabVIEW 8.5 you can right-click the node and select "Probe". Then when you run your script you will see a list of all the variables that get created. You can click on them and inspect their values. That's how I first figured out that
D and
t were not valid indices.
Hope this helps.
jattas
LabVIEW Math & Signal Processing
