List of applets
Applet: A differentiable function with discontinuous partial derivatives
Demonstration that discontinuous partial derivatives don't preclude a function from being differentiable.
Applet: Directional derivative on a mountain (Interactive)
The directional derivative is illustrated by a surface plot and level curve plot of a mountain range. The applet interactively computes the directional derivative at different points and directions.
Applet: Directional derivative on a mountain shown as level curves (Interactive)
The directional derivative is illustrated by a level curve plot of a mountain range. The applet interactively computes the directional derivative at different points and directions.
Applet: Discontinuous partial x derivative of a non-differentiable function
A graph of the partial derivative with respect to x of a non-differentiable function demonstrating that the partial derivative is discontinuous at the point of non-differentiability.
Applet: Lines demonstrating the discontinuity of the partial x derivative of a non-differentiable function
The partial derivative with respect to x of a non-differentiable function is shown to be discontinuous by plotting lines along which the derivative is constant.- Applet: Discrete dynamical system with spreadsheet
- Applet: Discrete SIR infectious disease model versus time
Applet: Distance from point to plane (Interactive)
A sketch of a way to calculate the distance from point a plane.
Applet: Divergent vector field
A vector field that illustrates a uniform expansion of fluid and positive divergence.
Applet: Divergent vector field with embedded sphere (Interactive)
A sphere embedded in an expanding vector field is used to visualize divergence.
Applet: A change of variables for a dome-shaped domain changes volume (Interactive)
An illustration of the spherical coordinates mapping from a box onto dome and the resulting change of volume.
Applet: Half spherical shell dome
A dome region consisting of the upper half of a spherical shell.
Applet: The dot product as projection (Interactive)
The dot product of two vectors is illustrated as a projection from one vector to the other.
Applet: Double cone coefficients (Interactive)
Illustration of the dependence of a double cone on its parameters, plotted with both square and elliptical domains.
Applet: Double cone cross sections (Interactive)
Illustration of the vertical and horizontal cross sections of a double cone plotted with both square and circular domains.
Applet: Double integral Riemann sum (Interactive)
Riemann sum defining a double integral
Applet: Doubling time and half life with bacteria data (Interactive)
Illustration of the doubling time of exponential growth and the half-life of exponential decay, with superimposed bacteria growth data.
Applet: Doubling time and half life (Interactive)
Illustration of the doubling time of exponential growth and the half-life of exponential decay, which is the time required for a population size to double or shrink in half.- Applet: Drawing graphical solutions of a scalar differential equation (Interactive)
- Applet: Draw vector (Interactive)
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