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inst/tinytest/test-gradient.R
In fntl: Numerical Tools for 'Rcpp' and Lambda Functions
library(fntl)
library(numDeriv)
Rcpp::sourceCpp("cpp/test-gradient.cpp")
x0 = rep(0.25, 10)
f = function(x) { sum(x^2) }
out0 = grad(f, x0)
expect_equal(out0, 2*x0)
out1 = quadratic_gradient(x0)
expect_equal(out1$value, out0)
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fntl documentation built on April 4, 2025, 1:53 a.m.
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library(fntl)
library(numDeriv)
Rcpp::sourceCpp("cpp/test-gradient.cpp")
x0 = rep(0.25, 10)
f = function(x) { sum(x^2) }
out0 = grad(f, x0)
expect_equal(out0, 2*x0)
out1 = quadratic_gradient(x0)
expect_equal(out1$value, out0)
Try the fntl package in your browser
Any scripts or data that you put into this service are public.
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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