ProductLog

ProductLog(z)

returns the value of the Lambert W function at z.

See

• Wikipedia - Lambert W function
• Wikipedia - Omega constant
• Fungrim - Lambert W function

Examples

The defining equation:

>> z == ProductLog(z) * E ^ ProductLog(z)
True

Some special values:

>> ProductLog(0)
0

>> ProductLog(E)
1

Implementation status

• ☑ - partially implemented

Github

• Implementation of ProductLog

• Rule definitions of ProductLog