In this paper, we work on the analysis of dynamical change on stock price during Covid-19 pandemic using nonlinear deterministic motion equation. The model is given by the secondorder differential equation with constant coefficient over time with some consideration under stock market structure. This coefficient shows the rate of change of stock price throughout Covid-19. Thus, the Least Square estimator is derived to determine the constant factor. Further, we conduct the Multi-layered Neural Network algorithm to predict the future stock price. To provide accurate forecasting results, the algorithm used in this paper has to be able to recognize stock price data pattern which has dynamic characteristics. Multi-layered Neural Network solve the data with dynamic characteristics by using more than one hidden layer. The input layers of this network are not directly connected to the output layers of the network. Therefore, this algorithm is expected to provide accurate forecasting results. We use the Jakarta Composite Stock Price Index (IHSG) and Waskita Karya Company stock price's data for the subject of observation.
Lulus CPNS membutuhkan perjuangan, kita tidak bisa mengandalkan keberuntungan semata. Selain banyak berdo‘a tentu teman-teman harus usaha yang maksimal. Usaha ini dapat dilakukan dengan banyak mengerjakan latihan soal, seperti soal-soal yang disusun dalam buku ini. Target buku ini membantu teman-teman lulus seleksi CPNS 2021 dengan skor/nilai maksimal baik Seleksi Kompetensi Dasar (SKD) maupun Seleksi Kompetensi Bidang (SKB). Agar lulus CPNS 2021, skor SKD tidak cukup dengan lulus passing grade saja, teman-teman harus mendapatkan skor maksimal agar masuk perangkingan 2x formasi. Selain mempersiapkan diri menghadapi SKD, agar lulus CPNS 2021 teman-teman juga harus mempersiapkan diri mengikuti seleksi tahap 2 yaitu SKB. Selain materi dan Latihan soal CPNS, buku ini juga dilengkapi materi seleksi PPPK. Buku ini disusun secara urut berdasarkan Peraturan Menteri Pendayagunaan Aparatur Negara dan Reformasi Birokarsi Republik Indonesia Nomor 23 Tahun 2019 (Permenpan RB No. 23 Tahun 2019) Tentang Kriteria Penetapan Kebutuhan Pegawai Negeri Sipil dan Pelaksanaan Seleksi Calon Pegawai Negeri Sipil Tahun 2019 dan Peraturan BKN No 1 Tahun 2019 tentang Teknis Pengadaan PPPK. Buku ini memberikan tips dan trik mengikuti tes seleksi CPNS dan PPPK 2021. Semoga buku ini dapat bermanfaat bagi teman-teman pejuang CPNS dan PPPK 2021.
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