Difference between revisions of "Take Home Video"
Alesdaniel (talk | contribs) (→CODING SOAL A) |
Alesdaniel (talk | contribs) (→CODING SOAL A) |
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| + | ==VIDEO MUHASABAH== | ||
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==CODING SOAL A== | ==CODING SOAL A== | ||
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u = eval(input("Koefisien gesekan = ")) | u = eval(input("Koefisien gesekan = ")) | ||
| + | |||
| + | a = eval(input('Percepatan= ')) | ||
alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian | alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian | ||
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w = cos(alpha) | w = cos(alpha) | ||
| − | A = np.array([[1, 0, 0], [ | + | A = np.array([[1, 0, 0], [0, 1, 0], [0, 0, 1]], dtype='float') |
| − | b = np.array([(m1*g*(v-(u*w)), m2*g*(v-(u*w)), m3*g*(v-(u*w)))]) | + | b = np.array([(m1*g*(v-(u*w))-(m1*a), m2*g*(v-(u*w))-(m2*a), m3*g*(v-(u*w)))]) |
n = len(b) | n = len(b) | ||
Revision as of 14:27, 29 October 2019
VIDEO MUHASABAH
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 = "))
a = eval(input('Percepatan= '))
alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian
v = sin(alpha)
w = cos(alpha)
A = np.array([[1, 0, 0], [0, 1, 0], [0, 0, 1]], dtype='float')
b = np.array([(m1*g*(v-(u*w))-(m1*a), m2*g*(v-(u*w))-(m2*a), 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]))
