Pages similar to: Parametrized curve and derivative as location and velocity
- Derivatives of parameterized curves
 The derivative of the vector-valued function parameterizing a curve is shown to be a vector tangent to the curve.
- Tangent lines to parametrized curves
 The tangent vector given by the derivative of a parametrized curve forms the basis for the equation of a line tangent to the curve.
- An introduction to parametrized curves
 An introduction to how a vector-valued function of a single variable can be viewed as parametrizing a curve. Interactive graphics illustrate the way in which the function maps an interval onto a curve.
- Tangent line to parametrized curve examples
 Examples showing how to calculate the tangent line to a parameterized curve from the derivative of the underlying vector-valued function.
- Line integrals are independent of parametrization
 Description of how the value of a line integral over a curve is independent of the parametrization of the curve.
- Orienting curves
 Orienting curves by choosing a tangent vector.
- Parametrization of a line
 Introduction to how one can parametrize a line. Interactive graphics illustrate basic concepts.
- Parametrization of a line examples
 Examples demonstrating how to calculate parametrizations of a line.
- Introduction to partial derivatives
 The concept of partial derivatives is introduced with an illustration of heating costs. Interactive graphics demonstrate the properties of partial derivatives.
- Partial derivative examples
 Examples of how to calculate partial derivatives.
- Partial derivative by limit definition
 Description with example of how to calculate the partial derivative from its limit definition.
- Introduction to differentiability in higher dimensions
 An introduction to the basic concept of the differentiability of a function of multiple variables. Discussion centers around the existence of a tangent plane to a function of two variables.
- The multivariable linear approximation
 Introduction to the linear approximation in multivariable calculus and why it might be useful.
- Examples of calculating the derivative
 Examples showing how to calculate the derivative and linear approximation of multivariable functions.
- The definition of differentiability in higher dimensions
 The definition of differentiability for multivariable functions. Informal derivation designed to give intuition behind the condition for a function to be differentiable.
- Subtleties of differentiability in higher dimensions
 A description of some of the tricky ways where a function of multiple variables can fail to be differentiable. Example two variable functions are illustrated with interactive graphics.
- Introduction to the multivariable chain rule
 Introduction to the multivariable chain rule. The basic concepts are illustrated through a simple example.
- The derivative matrix
 The derivative matrix is presented as a natural generalization of the single variable derivative to multivariable functions.
- Multivariable chain rule examples
 Examples demonstrating the chain rule for multivariable functions.
- An introduction to the directional derivative and the gradient
 Interactive graphics about a mountain range illustrate the concepts behind the directional derivative and the gradient of scalar-valued functions of two variables.