Connecting simElectronic blocks -- get red dotted line

[Fatima Hasan]

Homework Statement

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Use MATLAB to find the current flowing through 2Ω resistance

Homework Equations

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The Attempt at a Solution

Here's my work :

The DC voltage sources won't connect to the resistances , I get a red dotted line.
Where am I doing wrong ?
Your help is appreciated .

 

[Qjda]

It is quite late, but I will help somehow. You had chosen two different libraries. So if you want to use both, you should find a 'converter', otherwise just keep your project in one library, as I did. It