{"title":"FFT \u305d\u306e7","published":"2011-11-17 21:20:05","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryooji-f.hatenadiary.org%2Fentry%2F20111117%2F1321532405\" title=\"FFT \u305d\u306e7 - Maxima\u3067\u3053\u3046\u305e\u3046\u308a\u304d\u304c\u304f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u632f\u52d5"],"provider_url":"https://hatena.blog","author_name":"ryooji_f","blog_url":"https://ryooji-f.hatenadiary.org/","type":"rich","version":"1.0","width":"100%","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51ZXNYW1EDL._SL160_.jpg","author_url":"https://blog.hatena.ne.jp/ryooji_f/","provider_name":"Hatena Blog","description":"\u307f\u3093\u306a\u5927\u597d\u304dFFT\u306e\u304a\u8a71\u3067\u3059 \u4ee5\u524dMaxima\u306eFFT\u95a2\u6570\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\uff0c\u305d\u3082\u305d\u3082Maxima\u306f\u6570\u5f0f\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306a\u306e\u3067\u5927\u91cf\u306e\u6570\u5024\u8a08\u7b97\u306f\u82e6\u624b\u3067\u3059\uff08\u00b4\u30fb\u03c9\u30fb\uff40) \u306a\u306e\u3067\u4eca\u56de\u306fC\u8a00\u8a9e\u3067\u7d44\u3093\u3060FFT\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f7f\u3063\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059 FFT\u672c\u4f53\u306e\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306f\u5965\u6751\u6674\u5f66\u8457\u300cC\u8a00\u8a9e\u306b\u3088\u308b\u6700\u65b0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u4e8b\u5178\u300d\u306b\u8a18\u8f09\u306e\u3082\u306e\u3092\u4f7f\u308f\u305b\u3066\u9802\u304d\u307e\u3057\u305f \u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u914d\u5e03\u3055\u308c\u3066\u3044\u307e\u3059\uff08make_sintbl, make_bitrev, fft\u306e3\u3064\u3067\u3059\uff09 FFT\u306b\u306fCooley-Tukey\u578bFFT\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7528\u3044\u3066\u3044\u307e\u3059 \u5165\u529b\u30c7\u30fc\u30bf\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u306f2\u306e\u3079\u304d\u4e57\u3068\u3057\u3066\u4e0b\u3055\u3044 \u8a08\u7b97\u7d50\u679c\u3092\u30d1\u30a4\u2026","height":"190","blog_title":"Maxima\u3067\u3053\u3046\u305e\u3046\u308a\u304d\u304c\u304f","url":"https://ryooji-f.hatenadiary.org/entry/20111117/1321532405"}