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  1. >> X = [0 1 -4; 2 -3 2; 5 -8 7]
  2.  
  3. X =
  4.  
  5.      0     1    -4
  6.      2    -3     2
  7.      5    -8     7
  8.  
  9. >> B = [8 1 1]'
  10.  
  11. B =
  12.  
  13.      8
  14.      1
  15.      1
  16.  
  17. >> X\B
  18. Warning: Matrix is close to singular or badly scaled. Results
  19. may be inaccurate. RCOND =  3.416071e-18. 
  20.  
  21. ans =
  22.  
  23.    1.0e+16 *
  24.  
  25.    -1.1259
  26.    -0.9007
  27.    -0.2252
  28.  
  29. >> X = vpa(X)
  30.  
  31. X =
  32.  
  33. [   0,  1.0, -4.0]
  34. [ 2.0, -3.0,  2.0]
  35. [ 5.0, -8.0,  7.0]
  36.  
  37. >> B = vpa(B)
  38.  
  39. B =
  40.  
  41.  8.0
  42.  1.0
  43.  1.0
  44.  
  45. >> X\B
  46. Warning: System is inconsistent. Solution does not exist. 
  47.  
  48. ans =
  49.  
  50.  Inf
  51.  Inf
  52.  Inf
  53.  
  54. >>
Not running #stdin #stdout 0s 0KB
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https://ideone.com/dEDURi
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Text (text 6.10)
created:
10 years ago
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