CocoCast by Jiashun

Applied Mathematics, AI, and Mechanics — Research & Learning Notes

Ridge Functions, Response surface, Active Subspaces

An accessible exploration of key mathematical ideas—ridge functions, response surfaces, and active subspaces—that reveal hidden simplicity in complex physical systems.

7 min read · 2025

a distill-style blog post

an example of a distill-style blog post and main elements

25 min read · May 22, 2021

2021 · distill formatting
a post with twitter

an example of a blog post with twitter

1 min read · September 28, 2020

2020 · formatting · sample-posts external-services
a post with disqus comments

an example of a blog post with disqus comments

1 min read · October 20, 2015

2015 · comments · sample-posts external-services
a post with math

an example of a blog post with some math

1 min read · October 20, 2015

2015 · formatting math · sample-posts
a post with code

an example of a blog post with some code

4 min read · July 15, 2015

2015 · formatting code · sample-posts

CocoCast by Jiashun

Applied Mathematics, AI, and Mechanics — Research & Learning Notes

Ridge Functions, Response surface, Active Subspaces

a distill-style blog post

a post with twitter

a post with disqus comments

a post with math

a post with code