help syntax

[kenan2]

why can I not solve this ?

[LucMeekes · Accepted solution]

You are trying to assign a value to 0 (the third element in the vector to the left of the assignment ':='). That is not allowed. 0 should remain 0 ...

If you change that 0 to epsilon_sub_3 for example, it should work.

Success!
Luc

[kenan2]

I know......Thanks!