Plots points smoothing

[Doug Stewart]

Ben Abbott wrote:
> On Jun 5, 2008, at 3:55 PM, Oscar Bayona Candel wrote:
>
>   
>> Hi all,
>>
>> I want to customize a graph with two options. The first one is to  
>> smooth lines that union the diferent time points.
>>
>> The second, if it is posible is to envelope, and connect the maximum  
>> points with the minimum smothing this union.
>>
>> If you run this file you will see "peaks" I want to elimite them and  
>> make more homogeneus graphic.
>>
>>
>> function R1
>> a=[100 247.6020083 286.3675761 272.3062174 80.26950483 139.8426301  
>> 78.34706759
>> 100 239.0873028 123.4637728 140.7330533 120.625691 -10.4388691  
>> 23.13858934
>> 100 33.43627631 4.81526546 112.0913254 47.42491211 229.1219878  
>> 144.4392328
>> 100 14.48044685 48.06236485 149.4893629 70.95881807 143.6070638  
>> 126.1001037
>> 100 192.8579963 41.88150753 117.6747567 130.9839551 104.7505698  
>> 173.850395
>> 100 63.98035103 71.86857643 220.4943286 102.7295789 136.8557571  
>> 149.045101
>> 100 222.5996084 56.4790972 134.3171959 236.5824703 62.41059324  
>> 8.088869066
>> 100 23.06745092 41.26546571 79.37406245 275.9073594 272.5928681  
>> 84.63212985
>> 100 76.9210449 279.2402298 108.1317323 56.18829819 144.9506979  
>> 66.32051613
>> 100 -113.6787362 118.8788474 40.85110524 43.61666578 74.49854451  
>> 234.9635424
>> 100 75.83113309 5.37011882 113.554889 133.3502406 63.76897457  
>> -76.46719427
>> 100 158.8205968 221.6742911 -7.952528826 264.7801533 205.9813716  
>> 171.3093441
>> 100 -104.513704 124.6029514 25.12435003 -62.06899129 62.22258095  
>> 39.10232772
>> 100 79.34780168 291.6122404 192.8458895 200.5386263 105.4680114  
>> -2.853494564
>> 100 97.7905608 58.03397026 -10.99872902 106.0123175 55.37186651  
>> -35.38964088
>> 100 158.791745 167.2811586 115.5301998 46.18000075 -35.83984053  
>> 44.29784635
>> 100 -49.76741488 -38.13763622 42.6206969 170.1760672 172.5956422  
>> 198.2358879
>> 100 49.37659496 33.15366038 -44.28011181 49.47050005 137.0366161  
>> 59.20602828
>> 100 -97.30115079 41.86501017 137.6105498 110.1227608 108.4026112  
>> 243.6586799
>> 100 -39.35000333 166.3355026 123.8335488 231.4431456 -24.05193574  
>> 76.75505041
>> 100 -19.05642395 141.7483176 24.58494504 54.0625926 93.27244676  
>> 225.7758027
>> 100 36.11136484 -49.61304664 82.02096518 90.76583852 -129.6667387  
>> -7.992638563
>> 100 83.00767778 -45.72753514 102.2809656 140.6478623 214.7422103  
>> 176.5430224
>> 100 55.49177935 181.4050029 42.49151968 199.1295464 19.25956558  
>> 94.3691482];
>>
>> plot(a')
>>
>>     
>
> hmmm ... I'm  not sure about what you hope to do, but I'll take a shot.
>
>   >   x = linspace (0, 1, size(a, 2));
>   >   y = linspace (0, 1, 10*size(a, 2));
>   >   b = interp1 (x.', a.', y.', "spline").';
>   >   c = max (b);
>   >   plot(y, b, y, c)
>
> Is this what you're looking for?
>
> Ben
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>
>   


Or does he want to filter out the high frequency components?
Doug