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persamaan matematika untuk mathlab, Lecture notes of Numerical Methods in Engineering

University of Amikom Yogyakarta (UAY)Numerical Methods in Engineering

berisi penjelasan persamaan persamaan matematika untuk diterapkan ke aplikasi mathlab

Typology: Lecture notes

2020/2021

Available from 03/01/2023

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PERSAMAAN DENGAN FUNGSI LOGARITMA (LOG)
MATLAB bisa menyelesaikan persamaan aljabar menggunakan fungsi logaritma, namu hanya pada basis
10, jadi persamaan logaritma yang bukan basis 10 harus di ubah dahulau menjadi basis 10
DI MATLAB
Harus di rubah terlebih dahulu
Syntax
>>solve (‘log10(x-2)=4*log10(2)’)
DI SCILAB
Untuk di coba
#
Copas disini proses, hasil, dan grafik pengerjaannya :
pf3

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PERSAMAAN DENGAN FUNGSI LOGARITMA (LOG)

MATLAB bisa menyelesaikan persamaan aljabar menggunakan fungsi logaritma, namu hanya pada basis

10, jadi persamaan logaritma yang bukan basis 10 harus di ubah dahulau menjadi basis 10

DI MATLAB

Harus di rubah terlebih dahulu

Syntax

solve (‘log10(x-2)=4*log10(2)’)

DI SCILAB

Untuk di coba

Copas disini proses, hasil, dan grafik pengerjaannya :

FUNGSI LOGARITMA NATURAL (LN)

Fungsi logaritma natural (ln), dalam matlab pun menggunakan fungsi log

Syntax

solve(‘log(x)=5’)

Untuk di kerjakan

Copas disini proses, hasil, dan grafik pengerjaannya :

PERSAMAAN FUNGSI EKSPONENSIAL ( e )

Penggunaan nya hampir sama dengan menggunakn fungsi logaritma natural secara analitik

Syntax

eq=exp(x)-3x eq = exp(x) - 3x solve(eq) ans = -lambertw(0, -1/3)

Nilai jika dalam double

double(ans) ans =

UNTUK DI KERJAKAN

Hitunglah persamaan dibawah ini dan sertakan gambar grafiknya

SISTEM PERSAMAAN TRIGONOMETRI

Penyelesaian persamaan trigonometri bisa menggunakan beberapa perintah :