function op• 資料種類:signal × signal → signal
• 呼叫: import fullseye as fs; fs.ledger.compose_funct_1d(y1, y2)(要直接呼叫實作,import funct1d; funct1d.compose_funct_1d(y1, y2);從台帳取用則 ops1d.get("compose_funct_1d"))
複合 y1(y2)：把 *y2* 的值用作 *y1* 中的位置(HALCON compose_funct_1d)。
> 以下的詳細說明為原文 —— 摘要與標題已翻譯。
Each y2[i] is rounded to the nearest integer (np.round: an exact .5 goes to the even neighbour, so 2.5 -> 2 and 4.5 -> 4) and clamped into [0, len(y1) - 1], then out[i] = y1[that index]. Nearest-neighbour lookup, no interpolation.
Domain policy (documented difference from HALCON, which errors when the range of *y2* leaves the domain of *y1*): out-of-domain positions are clamped to the first / last sample of *y1*, never extrapolated. If you need the strict check, compare y_range_funct_1d(y2) against x_range_funct_1d(y1) before composing.
:param y1: outer function, at least 1 sample. :param y2: inner function supplying positions (may be empty). :returns: float64 array with the length of *y2*. :raises ValueError: non-1-D / NaN / Inf input, or empty *y1*.
• 範例資料目錄(下載 URL / 授權) —— 2-D 用 skimage.data(BSD/公有領域)加合成圖,3-D 給出真實資料源(Stanford/PDS 等)的下載 URL。
• 運算子來歷與參考文獻 —— 該運算子族所依據的研究/方法出處。
• 演算法的正典(作者、年份)與用途見上面的族使用指南。
• gallery_oned_audio_funct — py -3.11 examples/gallery_oned_audio_funct.py
signal 作為輸入)create_funct_1d_array · create_funct_1d_pairs · smooth_funct_1d_gauss · smooth_funct_1d_mean · derivate_funct_1d · integrate_funct_1d · zero_crossings_funct_1d · local_min_max_funct_1d
function)create_funct_1d_array · create_funct_1d_pairs · smooth_funct_1d_gauss · smooth_funct_1d_mean · derivate_funct_1d · integrate_funct_1d · zero_crossings_funct_1d · local_min_max_funct_1d
*Provenance: funct1d.py — ONED 運算子登記表。本條目由 tools/opdocs.py md 自動產生(請勿手動編輯)。*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.