// If an unknown or empty style is provided, AP style is what you get.
func GetTitleFunc(style string) func(s string) string {
switch strings.ToLower(style) {
case "go":
return strings.Title
case "chicago":
return transform.NewTitleConverter(transform.ChicagoStyle)
default:
return transform.NewTitleConverter(transform.APStyle)
}
}\[\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix} \mathbf{i} & \mathbf{j} & \mathbf{k} \ \frac{\partial X}{\partial u} & \frac{\partial Y}{\partial u} & 0 \ \frac{\partial X}{\partial v} & \frac{\partial Y}{\partial v} & 0 \end{vmatrix} \]
\[\begin{aligned} \dot{x} & = \sigma(y-x) \ \dot{y} & = \rho x - y - xz \ \dot{z} & = -\beta z + xy \end{aligned} \]
\[P(E) = {n \choose k} p^k (1-p)^{ n-k} \]
\[ \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } } \]