graph LR
A[Square Rect] -- Link text --> B((Circle))
A --> C(Round Rect)
B --> D{Rhombus}
C --> D
\begin{equation} h_\theta(x) = \theta^Tx = \theta_0x_0 + \theta_1x_1 + \cdots + \theta_nx_n \end{equation}
graph LR
A[Square Rect] -- Link text --> B((Circle))
A --> C(Round Rect)
B --> D{Rhombus}
C --> D
\begin{equation} h_\theta(x) = \theta^Tx = \theta_0x_0 + \theta_1x_1 + \cdots + \theta_nx_n \end{equation}