RSpec
Ruby on Rails
Ruby
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= private
= protected
frozen_string_literal: false
require ‘bigdecimal/jacobian’
Provides methods to compute the Jacobian matrix of a set of equations at a point x. In the methods below:
f is an Object which is used to compute the Jacobian matrix of the equations. It must provide the following methods:
f.values(x) |
returns the values of all functions at x |
f.zero |
returns 0.0 |
f.one |
returns 1.0 |
f.two |
returns 2.0 |
f.ten |
returns 10.0 |
f.eps |
returns the convergence criterion (epsilon value) used to determine whether two values are considered equal. If |a-b| < epsilon, the two values are considered equal. |
x is the point at which to compute the Jacobian.
fx is f.values(x).
