The Complex Logarithm & Its Branch Cut Lesson 3
log z is multivalued: every loop around the origin adds 2πi. Explore the spiral of values, choose a branch, and see exactly what a branch cut removes to force a single-valued function.
log z is multivalued: every loop around the origin adds 2πi. Explore the spiral of values, choose a branch, and see exactly what a branch cut removes to force a single-valued function.