Matrix Calculation Problem - Mathcad Prime 7

[Cornel]

Hello,

s is a variable.
The result should be:

It seems that Mathcad Prime 7 does not want to show the result, to calculate...Mathcad Prime thinks, thinks, and thinks again.
I gave him such a complex calculation that he can't do even that much?

[ttokoro · Accepted solution]

Prime 8 can do. Check identity has label as function.

[Werner_E]

When I open your sheet in Prime 6, this is what I see

[LucMeekes]

And even in my Prime 7, after some 5 seconds, 'identity' turns from automatic to function label and the symbolic solution is presented:

Success!
Luc