Definitions
To verify that the superposed modes approximate the target field, let the target field now represent a wave launched in the right waveguide.
Variables 1
1
In the Model Builder window, under Component 1 >Definitions
click Variables 1
.
2
Select Boundaries 1 and 10 only.
Variables 2
1
In the Model Builder window, click Variables 2
.
2
Select Boundary 5 only.
3
In the Home toolbar, click Compute
.
click Variables 1 
.
.
.