Recently. Geometric Algebra (GA) has attracted more and more attention in the field of signal and image processing. GA can treat multi-dimensional signals in a holistic way to keep the correlations among multiple dimensions and avoid information loss. So when traditional signal and image processing algorithms are redefined in GA space. https://tgeerxlrmmcc.tokka-blog.com/35182598/analisis-modal-kerja-dengan-menggunakan-rasio-aktivitas-pada-pt-semen-tiga-roda-persero-tbk-periode-2002-2013-studi-kasus-pada-bursa-efek-indonesia-cabang-bandung