exponential: The exponential growth model
In phaseR: Phase Plane Analysis of One- And Two-Dimensional Autonomous ODE Systems
exponential R Documentation
The exponential growth model
Description
The derivative function of the exponential growth model, an example of a one-
dimensional autonomous ODE system.
Usage
exponential(t, y, parameters)
Arguments
t
The value of t, the independent
variable, to evaluate the derivative at. Should be a
numeric vector of
length one.
y
The value of y, the dependent
variable, to evaluate the derivative at. Should be a
numeric vector of
length one.
parameters
The values of the parameters of the system. Should be a
numeric vector prescribing the value
of β.
Details
exponential evaluates the derivative of the following ODE at the point
(t, y):
dy/dt = βy.
Its format is designed to be compatible with ode from
the deSolve package.
Value
Returns a list containing the value of the
derivative at (t, y).
Author(s)
Michael J Grayling
See Also
ode
phaseR documentation built on Sept. 2, 2022, 5:07 p.m.
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| exponential | R Documentation |
The exponential growth model
Description
The derivative function of the exponential growth model, an example of a one- dimensional autonomous ODE system.
Usage
exponential(t, y, parameters)
Arguments
t |
The value of t, the independent
variable, to evaluate the derivative at. Should be a
|
y |
The value of y, the dependent
variable, to evaluate the derivative at. Should be a
|
parameters |
The values of the parameters of the system. Should be a
|
Details
exponential evaluates the derivative of the following ODE at the point
(t, y):
Its format is designed to be compatible with ode from
the deSolve package.
Value
Returns a list containing the value of the
derivative at (t, y).
Author(s)
Michael J Grayling
See Also
ode
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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