quad_pos_solve

Solve for positive root of quadratic ax^2 + bx + c = 0 when it exists

Fitting hidden Markov models using automatic differentiation
and Laplace approximation, allowing for fast inference and flexible covariate
effects (including random effects and smoothing splines) on model parameters.
The package is described by Michelot (2022) <arXiv:2211.14139>.

Theo Michelot

hmmTMB

Fit Hidden Markov Models using Template Model Builder

Richard Glennie

quad_pos_solve function

<dl><dt>a</dt>
<dd>coefficient of x^2</dd>
<dt>b</dt>
<dd>coefficient of x</dd>
<dt>c</dt>
<dd>scalar coefficient</dd></dl>

Arguments

Solve for positive root of quadratic ax^2 + bx + c = 0 when it exists — quad_pos_solve

<dl>

<dt>a</dt>
<dd>coefficient of x^2</dd>


<dt>b</dt>
<dd>coefficient of x</dd>


<dt>c</dt>
<dd>scalar coefficient</dd>

</dl>

quad_pos_solve: Solve for positive root of quadratic ax^2 + bx + c = 0 when it exists

Description

Usage

Value

Arguments