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  • Matlab基本函数-compass函数

    1、compass函数:罗盘图

    2、用法说明:

    (1)compass(x,y)函数绘制一个由原点出发由(x,y)组成的向量箭头图形;

    (2)compass(z)等价于compass(real(z),imag(z));

    (3)compass(...,LineSpec)函数用参量LineSpec指定箭头的线型、标记符号、颜色等属性;

    (4)h = compass(...)函数返回line对象的句柄给h。

    3、实例

     3.1、compass(x,y)

      (1)源码

    >> x=1:100
    
    x =
    
      Columns 1 through 17
    
         1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17
    
      Columns 18 through 34
    
        18    19    20    21    22    23    24    25    26    27    28    29    30    31    32    33    34
    
      Columns 35 through 51
    
        35    36    37    38    39    40    41    42    43    44    45    46    47    48    49    50    51
    
      Columns 52 through 68
    
        52    53    54    55    56    57    58    59    60    61    62    63    64    65    66    67    68
    
      Columns 69 through 85
    
        69    70    71    72    73    74    75    76    77    78    79    80    81    82    83    84    85
    
      Columns 86 through 100
    
        86    87    88    89    90    91    92    93    94    95    96    97    98    99   100
    
    >> y=rand(1,100)
    
    y =
    
      Columns 1 through 10
    
        0.8147    0.9058    0.1270    0.9134    0.6324    0.0975    0.2785    0.5469    0.9575    0.9649
    
      Columns 11 through 20
    
        0.1576    0.9706    0.9572    0.4854    0.8003    0.1419    0.4218    0.9157    0.7922    0.9595
    
      Columns 21 through 30
    
        0.6557    0.0357    0.8491    0.9340    0.6787    0.7577    0.7431    0.3922    0.6555    0.1712
    
      Columns 31 through 40
    
        0.7060    0.0318    0.2769    0.0462    0.0971    0.8235    0.6948    0.3171    0.9502    0.0344
    
      Columns 41 through 50
    
        0.4387    0.3816    0.7655    0.7952    0.1869    0.4898    0.4456    0.6463    0.7094    0.7547
    
      Columns 51 through 60
    
        0.2760    0.6797    0.6551    0.1626    0.1190    0.4984    0.9597    0.3404    0.5853    0.2238
    
      Columns 61 through 70
    
        0.7513    0.2551    0.5060    0.6991    0.8909    0.9593    0.5472    0.1386    0.1493    0.2575
    
      Columns 71 through 80
    
        0.8407    0.2543    0.8143    0.2435    0.9293    0.3500    0.1966    0.2511    0.6160    0.4733
    
      Columns 81 through 90
    
        0.3517    0.8308    0.5853    0.5497    0.9172    0.2858    0.7572    0.7537    0.3804    0.5678
    
      Columns 91 through 100
    
        0.0759    0.0540    0.5308    0.7792    0.9340    0.1299    0.5688    0.4694    0.0119    0.3371
    
    >> compass(x,y)
     (2)运行结果


    3.2、compass(z)

    (1)源码

    >> z=[1+2i 2+4i 5-6i]
    
    z =
    
       1.0000 + 2.0000i   2.0000 + 4.0000i   5.0000 - 6.0000i
    
    >> compass(z)
    (2)结果



    3.3、compass(...,LineSpec)

    (1)源码

     compass(x,y,'--m')
    (2)结果


    3.4、h = compass(...)

    (1)源码

    >> h=compass(x,y,'--m')
    
    h =
    
      199.0013
      200.0013
      201.0013
      202.0013
      203.0013
      204.0013
      205.0013
      206.0013
      207.0013
      208.0013
      209.0013
      210.0013
      211.0013
      212.0013
      213.0013
      214.0013
      215.0013
      216.0013
      217.0013
      218.0013
      219.0013
      220.0013
      221.0013
      222.0013
      223.0013
      224.0013
      225.0013
      226.0013
      227.0013
      228.0013
      229.0013
      230.0013
      231.0013
      232.0013
      233.0013
      234.0013
      235.0013
      236.0013
      237.0013
      238.0013
      239.0013
      240.0013
      241.0013
      242.0013
      243.0013
      244.0013
      245.0013
      246.0013
      247.0013
      248.0013
      249.0013
      250.0013
      251.0013
      252.0013
      253.0013
      254.0013
      255.0013
      256.0013
      257.0013
      258.0013
      259.0013
      260.0013
      261.0013
      262.0013
      263.0013
      264.0013
      265.0013
      266.0013
      267.0013
      268.0013
      269.0013
      270.0013
      271.0013
      272.0013
      273.0013
      274.0013
      275.0013
      276.0013
      277.0013
      278.0013
      279.0013
      280.0013
      281.0013
      282.0013
      283.0013
      284.0013
      285.0013
      286.0013
      287.0013
      288.0013
      289.0013
      290.0013
      291.0013
      292.0013
      293.0013
      294.0013
      295.0013
      296.0013
      297.0013
      298.0013



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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13315622.html
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