level set
for a given real constant c. For example, with f(x,y,z) = x2 + y2 + z2, the level sets (which may be termed level surfaces in this case) are spheres when c > 0.
- scientific notation
- sd
- SDE
- se
- seasonal variation
- secant
- secant
- secant method
- sech
- second
- second
- second derivative
- second derivative test
- second fundamental form
- second-order logic
- second-order partial derivative
- section
- section formulae
- sector
- segment
- selection
- selection bias
- self-adjoint
- self-inverse
- self-reference