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Revision as of 02:16, 29 October 2019 by Alesdaniel (talk | contribs) (Created page with "==CODING SOAL A== import numpy as np from math import * g = 9.81 m1 = eval(input("Massa benda 1= ")) m2 = eval(input("Massa benda 2= ")) m3 = eval(input("Massa benda 3= "))...")
CODING SOAL A
import numpy as np from math import *
g = 9.81 m1 = eval(input("Massa benda 1= ")) m2 = eval(input("Massa benda 2= ")) m3 = eval(input("Massa benda 3= ")) u = eval(input("Koefisien gesekan = ")) alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian v = sin(alpha) w = cos(alpha)
A = np.array([[1, 0, 0], [-1, 1, 0], [0, -1, 1]], dtype='float') b = np.array([(m1*g*(v-(u*w)), m2*g*(v-(u*w)), m3*g*(v-(u*w)))])
n = len(b) for k in range(0,n-1):
for i in range (k+1,n):
if a[i,k] != 0.0:
lam = a[i,k]/a[k,k]
a[i,k+1:n] = a[i,k+1:n]-lam*a[k,k+1:n]
b[i] = b[i] - lam*b[k]
for k in range(n-1,-1,-1):
b[k] = (b[k] - np.dot(A[k,k+1:n],b[k+1:n]))/A[k,k]
print(list(b[k]))
