v0.7.0

New Features

• Matrix solve linear system of equations
• Noncentral T distribution
• Piecewise function class
• Initial Finance class (pmt function)
• Vector scalar multiplication
• Vector normalization
• Vector scalar division
• Vector perpendicular operator
• Vector projections
• Vector perp and perp dot product

Improvements

• Add getters to Polynomial for degree and coefficients
• Improvements to gamma function