Description Usage Arguments Value Author(s)
Numerical approximation of the Jacobian at a point.
1 | jacobianAtXY(fDeriv, x = NULL, y = NULL, h = 1e-06)
|
fDeriv |
derivative function |
x |
numeric scalar x coordinate |
y |
numeric scalar y corrdinate |
h |
step to approximate derivative |
numeric matrix (2x2) of numerical approximation of Jacobian
Thomas Wutzler
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