# Determine the Gradient of a Function of Three Variables – Exponential

This video explains how to determine the gradient vector field of a function of three variables.

# Determine the Gradient of a Function of Three Variables – Polynomial

This video explains how to determine the gradient vector field of a function of three variables.

# Show the Gradient to a Surface Using 3D Calc Plotter

This video using 3D Calc Plotter to illustrate the meaning of a gradient vector.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Basic)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Rectangle)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Circle)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Circle / Lagrange)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.  Lagrange multipliers are used to determine the extrema on the boundary.