Moore General — Relativity Workbook Solutions

Derive the geodesic equation for this metric.

$$\frac{d^2t}{d\lambda^2} = 0, \quad \frac{d^2x^i}{d\lambda^2} = 0$$ moore general relativity workbook solutions

which describes a straight line in flat spacetime. Derive the geodesic equation for this metric

$$ds^2 = -dt^2 + dx^2 + dy^2 + dz^2$$