deletions | additions       diff --git a/figures/freq/freq.png b/figures/freq/freq.png  deleted file mode 100644  index 743ef75..0000000  Binary files a/figures/freq/freq.png and /dev/null differ diff --git a/layout.md b/layout.md  index 9bff945..b5d231d 100644  --- a/layout.md  +++ b/layout.md 
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untitled.tex  figures/freq/freq.png  figures/freqz/freqz.png