[Scilab-users] expression block in xcos gives “answer given for scilab expression is wrong” error

[farimani]

As I have originally explained in  this post
<https://stackoverflow.com/questions/54756985/expression-block-in-xcos-gives-answer-given-for-scilab-expression-is-wrong-err>  
I'm trying to put the SciLab expression:

sign(u2 – u1) * (2 * ((Fm + M) * abs(u2 – u1) + k * (u2^2 – u1^2) / 2) /
m)^0.5

but I get this error message:

<http://mailinglists.scilab.org/file/t497909/7ivdz.png> 

answer given for scilab expression is incorrect...

I would appreciate if you could help me know what is the problem and how I
can solve it. Maybe I should use a different block?





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