Modifikasi Metode Iterasi Dua Langkah Menggunakan Kombinasi Linear Tiga Parameter Real
DOI:
https://doi.org/10.33603/e.v6i2.1893Abstract
Makalah ini membahas modifikasi metode iterasi dua langkah dengan menggunakan kombinasi linier tiga parameter dan tiga metode iterasi berorde konvergensi tiga yang masing-masing dihasilkan dari penjumlahan metode Potra-Ptak dan metode varian Newton, modifikasi metode varian Newton rata-rata kontra harmonik, dan Metode Newton-Steffensen. Berdasarkan hasil kajian diperoleh bahwa metode iterasi baru memiliki orde konvergensi empat untuk q 1 = -2, q 2 = 3 - q 3 dan q3 ÎÂ yang melibatkan tiga evaluasi fungsi dengan indeks efisiensi sebesar 41/3 » 1,5874. Simulasi numerik diberikan untuk menunjukkan performa metode iterasi baru dibandingkan dengan metode Newton, metode Potra-Ptak, dan metode ChebyshevReferences
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