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Page 1: 2A_01_NurisyabanAziezah

No.1

%Pecahkanlah persamaan linier tiga variabel berikut ini:%x + 2y – 3z = 2%4x + 5y + 6z = -5,5%7x + 8y - 9z = -49

%jawab:

%membuat matriks AA=[1 2 -3;4 5 6;7 8 -9];

%membuat matriks BB=[2;-5.5;-49];

%menghitung x cara ke-1x=inv(A)*[B]

%menghitung x cara ke-2x=A^-1*B

%menghitung x cara ke-3x=A\B

x=

-20.5000

13.5000

1.5000

x =

-20.5000

13.5000

1.5000

x =

-20.5000

13.5000

1.5000

No.2

%Carilah solusi dari persamaan lingkaran berikut ini: %y = (25+x.^2).^0.5 untuk -10<x<5 , dengan inkremen x sebesar 0,05. %Setelah itu, tampilkanlah nilai y pada rentang x = 0 hingga x = 1 saja.

%jawab:%membuat vektor xx=[-10:0.05:5]';

%menghitung yy=(25-x.^2).^0.5;

%menghitung panjang vektor xpanjang=length(x);titik_tengah=round(panjang/2);

%menentukan indeks untuk x=0 hingga x=1awal=titik_tengah+2.5/0.05;akhir=awal+1/0.05;

%menampilkan nilai y pada rentang x=0 hingga x=1 saja [x(awal:akhir),y(awal:akhir)]

ans = 0 5.0000 0.0500 4.9997 0.1000 4.9990 0.1500 4.9977 0.2000 4.9960 0.2500 4.9937 0.3000 4.9910 0.3500 4.9877 0.4000 4.9840 0.4500 4.9797 0.5000 4.9749 0.5500 4.9697 0.6000 4.9639 0.6500 4.9576 0.7000 4.9508 0.7500 4.9434 0.8000 4.9356 0.8500 4.9272 0.9000 4.9183 0.9500 4.9089 1.0000 4.8990

Page 2: 2A_01_NurisyabanAziezah

%Buatlah tabel hiperbolik-trigonometri: sinh, cosh, dan tanh

%untuk rentang -10<x<10 , dengan inkremen x sebesar 0,1.

%jawab:

% membuat vektor xx=-10:0.1:10;sinus=sin(x); cosinus=cos(x); tangent=tan(x);

%menampilkan tabel hiperbolik-trigonometridisp('Tabel hiperbolik-trigonometri:'), ...disp('x sin cos tan'), ...disp('--------------------------------')[x' sinus' cosinus' tangent']

Tabel hiperbolik-trigonometri:

x sin cos tan

--------------------------------

ans =

-10.0000 0.5440 -0.8391 -0.6484 -9.9000 0.4575 -0.8892 -0.5146 -9.8000 0.3665 -0.9304 -0.3939 -9.7000 0.2718 -0.9624 -0.2824 -9.6000 0.1743 -0.9847 -0.1770 -9.5000 0.0752 -0.9972 -0.0754 -9.4000 -0.0248 -0.9997 0.0248 -9.3000 -0.1245 -0.9922 0.1254 -9.2000 -0.2229 -0.9748 0.2286 -9.1000 -0.3191 -0.9477 0.3367 -9.0000 -0.4121 -0.9111 0.4523 -8.9000 -0.5010 -0.8654 0.5789 -8.8000 -0.5849 -0.8111 0.7211 -8.7000 -0.6630 -0.7486 0.8856 -8.6000 -0.7344 -0.6787 1.0820 -8.5000 -0.7985 -0.6020 1.3264 -8.4000 -0.8546 -0.5193 1.6457 -8.3000 -0.9022 -0.4314 2.0914 -8.2000 -0.9407 -0.3392 2.7737 -8.1000 -0.9699 -0.2435 3.9824 -8.0000 -0.9894 -0.1455 6.7997 -7.9000 -0.9989 -0.0460 21.7151 -7.8000 -0.9985 0.0540 -18.5068 -7.7000 -0.9882 0.1534 -6.4429 -7.6000 -0.9679 0.2513 -3.8523

-7.5000 -0.9380 0.3466 -2.7060 -7.4000 -0.8987 0.4385 -2.0493 -7.3000 -0.8504 0.5261 -1.6166 -7.2000 -0.7937 0.6084 -1.3046 -7.1000 -0.7290 0.6845 -1.0649 -7.0000 -0.6570 0.7539 -0.8714 -6.9000 -0.5784 0.8157 -0.7091 -6.8000 -0.4941 0.8694 -0.5683 -6.7000 -0.4048 0.9144 -0.4428 -6.6000 -0.3115 0.9502 -0.3279 -6.5000 -0.2151 0.9766 -0.2203 -6.4000 -0.1165 0.9932 -0.1173 -6.3000 -0.0168 0.9999 -0.0168 -6.2000 0.0831 0.9965 0.0834 -6.1000 0.1822 0.9833 0.1853 -6.0000 0.2794 0.9602 0.2910 -5.9000 0.3739 0.9275 0.4031 -5.8000 0.4646 0.8855 0.5247 -5.7000 0.5507 0.8347 0.6597 -5.6000 0.6313 0.7756 0.8139 -5.5000 0.7055 0.7087 0.9956 -5.4000 0.7728 0.6347 1.2175 -5.3000 0.8323 0.5544 1.5013 -5.2000 0.8835 0.4685 1.8856 -5.1000 0.9258 0.3780 2.4494 -5.0000 0.9589 0.2837 3.3805 -4.9000 0.9825 0.1865 5.2675

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-4.8000 0.9962 0.0875 11.3849 -4.7000 0.9999 -0.0124 -80.7128 -4.6000 0.9937 -0.1122 -8.8602 -4.5000 0.9775 -0.2108 -4.6373 -4.4000 0.9516 -0.3073 -3.0963 -4.3000 0.9162 -0.4008 -2.2858 -4.2000 0.8716 -0.4903 -1.7778 -4.1000 0.8183 -0.5748 -1.4235 -4.0000 0.7568 -0.6536 -1.1578 -3.9000 0.6878 -0.7259 -0.9474 -3.8000 0.6119 -0.7910 -0.7736 -3.7000 0.5298 -0.8481 -0.6247 -3.6000 0.4425 -0.8968 -0.4935 -3.5000 0.3508 -0.9365 -0.3746 -3.4000 0.2555 -0.9668 -0.2643 -3.3000 0.1577 -0.9875 -0.1597 -3.2000 0.0584 -0.9983 -0.0585 -3.1000 -0.0416 -0.9991 0.0416 -3.0000 -0.1411 -0.9900 0.1425 -2.9000 -0.2392 -0.9710 0.2464 -2.8000 -0.3350 -0.9422 0.3555 -2.7000 -0.4274 -0.9041 0.4727 -2.6000 -0.5155 -0.8569 0.6016 -2.5000 -0.5985 -0.8011 0.7470 -2.4000 -0.6755 -0.7374 0.9160 -2.3000 -0.7457 -0.6663 1.1192 -2.2000 -0.8085 -0.5885 1.3738 -2.1000 -0.8632 -0.5048 1.7098 -2.0000 -0.9093 -0.4161 2.1850 -1.9000 -0.9463 -0.3233 2.9271 -1.8000 -0.9738 -0.2272 4.2863 -1.7000 -0.9917 -0.1288 7.6966 -1.6000 -0.9996 -0.0292 34.2325 -1.5000 -0.9975 0.0707 -14.1014 -1.4000 -0.9854 0.1700 -5.7979 -1.3000 -0.9636 0.2675 -3.6021 -1.2000 -0.9320 0.3624 -2.5722 -1.1000 -0.8912 0.4536 -1.9648 -1.0000 -0.8415 0.5403 -1.5574 -0.9000 -0.7833 0.6216 -1.2602 -0.8000 -0.7174 0.6967 -1.0296 -0.7000 -0.6442 0.7648 -0.8423 -0.6000 -0.5646 0.8253 -0.6841 -0.5000 -0.4794 0.8776 -0.5463 -0.4000 -0.3894 0.9211 -0.4228 -0.3000 -0.2955 0.9553 -0.3093 -0.2000 -0.1987 0.9801 -0.2027 -0.1000 -0.0998 0.9950 -0.1003

0 0 1.0000 0 0.1000 0.0998 0.9950 0.1003 0.2000 0.1987 0.9801 0.2027 0.3000 0.2955 0.9553 0.3093 0.4000 0.3894 0.9211 0.4228 0.5000 0.4794 0.8776 0.5463 0.6000 0.5646 0.8253 0.6841 0.7000 0.6442 0.7648 0.8423 0.8000 0.7174 0.6967 1.0296 0.9000 0.7833 0.6216 1.2602 1.0000 0.8415 0.5403 1.5574 1.1000 0.8912 0.4536 1.9648 1.2000 0.9320 0.3624 2.5722 1.3000 0.9636 0.2675 3.6021 1.4000 0.9854 0.1700 5.7979 1.5000 0.9975 0.0707 14.1014 1.6000 0.9996 -0.0292 -34.2325 1.7000 0.9917 -0.1288 -7.6966 1.8000 0.9738 -0.2272 -4.2863 1.9000 0.9463 -0.3233 -2.9271 2.0000 0.9093 -0.4161 -2.1850 2.1000 0.8632 -0.5048 -1.7098 2.2000 0.8085 -0.5885 -1.3738 2.3000 0.7457 -0.6663 -1.1192 2.4000 0.6755 -0.7374 -0.9160 2.5000 0.5985 -0.8011 -0.7470 2.6000 0.5155 -0.8569 -0.6016 2.7000 0.4274 -0.9041 -0.4727 2.8000 0.3350 -0.9422 -0.3555 2.9000 0.2392 -0.9710 -0.2464 3.0000 0.1411 -0.9900 -0.1425 3.1000 0.0416 -0.9991 -0.0416 3.2000 -0.0584 -0.9983 0.0585 3.3000 -0.1577 -0.9875 0.1597 3.4000 -0.2555 -0.9668 0.2643 3.5000 -0.3508 -0.9365 0.3746 3.6000 -0.4425 -0.8968 0.4935 3.7000 -0.5298 -0.8481 0.6247 3.8000 -0.6119 -0.7910 0.7736 3.9000 -0.6878 -0.7259 0.9474 4.0000 -0.7568 -0.6536 1.1578 4.1000 -0.8183 -0.5748 1.4235 4.2000 -0.8716 -0.4903 1.7778 4.3000 -0.9162 -0.4008 2.2858 4.4000 -0.9516 -0.3073 3.0963 4.5000 -0.9775 -0.2108 4.6373 4.6000 -0.9937 -0.1122 8.8602 4.7000 -0.9999 -0.0124 80.7128

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4.8000 -0.9962 0.0875 -11.3849 4.9000 -0.9825 0.1865 -5.2675 5.0000 -0.9589 0.2837 -3.3805 5.1000 -0.9258 0.3780 -2.4494 5.2000 -0.8835 0.4685 -1.8856 5.3000 -0.8323 0.5544 -1.5013 5.4000 -0.7728 0.6347 -1.2175 5.5000 -0.7055 0.7087 -0.9956 5.6000 -0.6313 0.7756 -0.8139 5.7000 -0.5507 0.8347 -0.6597 5.8000 -0.4646 0.8855 -0.5247 5.9000 -0.3739 0.9275 -0.4031 6.0000 -0.2794 0.9602 -0.2910 6.1000 -0.1822 0.9833 -0.1853 6.2000 -0.0831 0.9965 -0.0834 6.3000 0.0168 0.9999 0.0168 6.4000 0.1165 0.9932 0.1173 6.5000 0.2151 0.9766 0.2203 6.6000 0.3115 0.9502 0.3279 6.7000 0.4048 0.9144 0.4428 6.8000 0.4941 0.8694 0.5683 6.9000 0.5784 0.8157 0.7091 7.0000 0.6570 0.7539 0.8714 7.1000 0.7290 0.6845 1.0649 7.2000 0.7937 0.6084 1.3046 7.3000 0.8504 0.5261 1.6166 7.4000 0.8987 0.4385 2.0493

7.5000 0.9380 0.3466 2.7060 7.6000 0.9679 0.2513 3.8523 7.7000 0.9882 0.1534 6.4429 7.8000 0.9985 0.0540 18.5068 7.9000 0.9989 -0.0460 -21.7151 8.0000 0.9894 -0.1455 -6.7997 8.1000 0.9699 -0.2435 -3.9824 8.2000 0.9407 -0.3392 -2.7737 8.3000 0.9022 -0.4314 -2.0914 8.4000 0.8546 -0.5193 -1.6457 8.5000 0.7985 -0.6020 -1.3264 8.6000 0.7344 -0.6787 -1.0820 8.7000 0.6630 -0.7486 -0.8856 8.8000 0.5849 -0.8111 -0.7211 8.9000 0.5010 -0.8654 -0.5789 9.0000 0.4121 -0.9111 -0.4523 9.1000 0.3191 -0.9477 -0.3367 9.2000 0.2229 -0.9748 -0.2286 9.3000 0.1245 -0.9922 -0.1254 9.4000 0.0248 -0.9997 -0.0248 9.5000 -0.0752 -0.9972 0.0754 9.6000 -0.1743 -0.9847 0.1770 9.7000 -0.2718 -0.9624 0.2824 9.8000 -0.3665 -0.9304 0.3939 9.9000 -0.4575 -0.8892 0.5146 10.0000 -0.5440 -0.8391 0.6484