Andika Ramadhan Gurnida
QUIZ 2
- ProbSet 2.1 no.6
- jawaban
from numpy import linalg import numpy as np
- Definisi
row1 = [0,0,2,1,2] row2 = [0,1,0,2,-1] row3 = [1,2,0,-2,0] row4 = [0,0,0,-1,1] row5 = [0,1,-1,1,-1] nmat = np.array([row1,row2,row3,row4,row5]) print("n matrix are:") print(nmat) cons = np.array([1,1,-4,-2,-1]) print("Y matrix are:") print(cons)
- Penyelesaian
Ans = linalg.solve(nmat,cons) x1val=int(Ans[0]) x2val=int(Ans[1]) x3val=int(Ans[2]) x4val=int(Ans[3]) x5val=int(Ans[4]) print("x result are:") print("x1=",x1val) print("x2=",x2val) print("x3=",x3val) print("x4=",x4val) print("x5=",x5val)
Ujian Tengah Semester
'''No.1''' from math import *
g = 9.81 m1 = eval(input("mass 1: ")) m2 = eval(input("mass 2: ")) m3 = eval(input("mass 3: ")) alpha = eval(input("alpha: ")) u = eval(input("friction coefficient: ")) x = sin(alpha) y = cos(alpha)
t1 = m1*g*(x-(u*y)) t2 = (m2*g*(x-(u*y))) + t1 t3 = (m3*g*(x-(u*y))) + t2 t4 = t3
- Hasil
print("t1: ",t1) print("t2: ",t2) print("t3: ",t3) print("t4: ",t4)
print("time to reach top speed : ",t)
'''No.2''' from math import * from sympy import *
g = 9.81 pro = 1.2
cd = eval(input("drag coefficient: ")) area = eval(input("area : ")) v0 = 0 m = eval(input("car mass: ")) u = eval(input("friction: ")) a = eval(input("acceleration: ")) vt = eval(input("top speed: ")) fs = g*u fdrag= (cd*area*pro*v0**2)/2*m f1 = a atot = f1 - (fdrag + fs) t = (vt-v0)/atot
print("time to reach top speed : ",t)
