Mmcc:aula 3
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scilab-5.1.1
Consortium Scilab (DIGITEO)
Copyright (c) 1989-2009 (INRIA)
Copyright (c) 1989-2007 (ENPC)
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Startup execution:
loading initial environment
Índice
Vetores
--> // Comentario
-->x=[10 2 23 34 11]
x = 10. 2. 23. 34. 11.
-->size(x)
ans = 1. 5.
-->coluna=[12; 23; 11; 9]
coluna = 12. 23. 11. 9.
-->size(coluna) // verifica o tamanho do vetor
ans = 4. 1.
-->x(3)
ans = 23.
-->x
x = 10. 2. 23. 34. 11.
-->x(1,4) // na linha 1 e coluna 4
ans = 34.
-->M=[1 2; --> 2 3]
M = 1. 2. 2. 3.
-->M(2,1) = 4
M = 1. 2. 4. 3.
-->M'
ans = 1. 4. 2. 3.
--> // matriz transposta '
-->coluna
coluna = 12. 23. 11. 9.
-->y = coluna'
y = 12. 23. 11. 9.
-->y(1)=y(1)+1
y = 13. 23. 11. 9.
-->y = y + 2
y = 15. 25. 13. 11.
-->M
M = 1. 2. 4. 3.
-->M+2
ans = 3. 4. 6. 5.
-->M
M = 1. 2. 4. 3.
-->N=M+2
N = 3. 4. 6. 5.
-->x+y
!--error 8
Inconsistent addition. (Os vetores devem ter o mesmo tamanho)
-->x
x = 10. 2. 23. 34. 11.
-->y
y = 15. 25. 13. 11.
-->y(5)=0
y = 15. 25. 13. 11. 0.
-->x+y
ans = 25. 27. 36. 45. 11.
-->x= 1:100
x =
column 1 to 8
1. 2. 3. 4. 5. 6. 7. 8.
column 9 to 15
9. 10. 11. 12. 13. 14. 15.
column 16 to 22
16. 17. 18. 19. 20. 21. 22.
column 23 to 29
23. 24. 25. 26. 27. 28. 29.
column 30 to 36
30. 31. 32. 33. 34. 35. 36.
column 37 to 43
37. 38. 39. 40. 41. 42. 43.
column 44 to 50
44. 45. 46. 47. 48. 49. 50.
column 51 to 57
51. 52. 53. 54. 55. 56. 57.
column 58 to 64
58. 59. 60. 61. 62. 63. 64.
column 65 to 71
65. 66. 67. 68. 69. 70. 71.
column 72 to 78
72. 73. 74. 75. 76. 77. 78.
column 79 to 85
79. 80. 81. 82. 83. 84. 85.
column 86 to 92
86. 87. 88. 89. 90. 91. 92.
column 93 to 99
93. 94. 95. 96. 97. 98. 99.
column 100
100.
-->x= 1:100;
-->pares = 2:2:100
pares =
column 1 to 8
2. 4. 6. 8. 10. 12. 14. 16.
column 9 to 15
18. 20. 22. 24. 26. 28. 30.
column 16 to 22
32. 34. 36. 38. 40. 42. 44.
column 23 to 29
46. 48. 50. 52. 54. 56. 58.
column 30 to 36
-->pares = 2*x
pares =
column 1 to 8
2. 4. 6. 8. 10. 12. 14. 16.
column 9 to 15
18. 20. 22. 24. 26. 28. 30.
column 16 to 22
32. 34. 36. 38. 40. 42. 44.
column 23 to 29
46. 48. 50. 52. 54. 56. 58.
column 30 to 36
Gráficos
-->plot( x )
-->x=-10:10;
-->y=2*x + 5;
-->plot( y )
-->clf
-->plot( y )
-->who_user
User variables are: clf y x ResetFigureDDM plot pares N M coluna home Using 7953 elements ouf of 4965245
-->plot(x, y)
-->clf
-->plot(x, y, 'r.')
-->plot(x, y)
-->y=x^2
y =
column 1 to 7
100. 81. 64. 49. 36. 25. 16.
column 8 to 15
9. 4. 1. 0. 1. 4. 9. 16.
column 16 to 21
25. 36. 49. 64. 81. 100.
-->clf
-->plot(x, y, 'r.')
-->plot(x, y)
-->clf
-->y=sin(x);
-->plot(x,y)
-->plot(x, y, 'r.')
-->x=-10:0.2:10;
-->y=sin(x);
-->plot(x, y, 'b')
-->clf
-->plot(x, y, 'b*')
Gráfico da função raiz quadrada
-->clf
-->y= sqrt( x )
y =
column 1 to 3
3.1622777i 3.1304952i 3.0983867i
column 4 to 7
3.0659419i 3.0331502i 3.i 2.9664794i
column 8 to 10
2.9325757i 2.8982753i 2.8635642i
column 11 to 13
2.8284271i 2.792848i 2.7568098i
column 14 to 16
-->
-->plot(x, y, 'b*')
-->xgrid \\ desenha um grid atrás da figura
Desenho de um triângulo
-->clf
-->x=[2 3 4];
-->y=[1 2 1];
-->plot(x,y)
-->x=[x x(1)]
x = 2. 3. 4. 2.
-->y=[y y(1)]
y = 1. 2. 1. 1.
-->plot(x,y)
Gráficos de equações
-->x=-3:.1:3;
-->y=x^2-1;
-->plot(x,y,'b.')
Gráfico de um círculo
-->clf
-->x=-2:.1:2;
-->y= sqrt( 1-x^2 );
-->plot(x,y,'b.-')
-->clf
-->x=-1:.1:1;
-->y= sqrt( 1-x^2 );
-->plot(x,y,'b.-')
-->y= -sqrt( 1-x^2 );
-->clf
-->plot(x,y,'b.-')
-->y= sqrt( 1-x^2 );
-->yneg= -sqrt( 1-x^2 );
-->clf
-->plot(x,y,'b.-')
-->plot(x,yneg,'b.-')
