Plots points smoothing

[Matthias Brennwald]

A simple solution is to try a running mean over N points (N must be  
an even number in this example):

N = 10;
f = repmat (1/N,1,N);
a2 = conv (a,f); a2 = a2(N/2:end-N/2);
plot(a,'b'); hold on
plot(a2,'r'); hold off

Matthias


On 06.06.2008, at 00:44, help-octave-request at octave.org 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  
> 78.34706759100 239.0873028 123.4637728 140.7330533 120.625691  
> -10.4388691 23.13858934100 33.43627631 4.81526546 112.0913254  
> 47.42491211 229.1219878 144.4392328100 14.48044685 48.06236485  
> 149.4893629 70.95881807 143.6070638 126.1001037100 192.8579963  
> 41.88150753 117.6747567 130.9839551 104.7505698 173.850395100  
> 63.98035103 71.86857643 220.4943286 102.7295789 136.8557571  
> 149.045101100 222.5996084 56.4790972 134.3171959 236.5824703  
> 62.41059324 8.088869066100 23.06745092 41.26546571 79.37406245  
> 275.9073594 272.5928681 84.63212985100 76.9210449 279.2402298  
> 108.1317323 56.18829819 144.9506979 66.32051613100 -113.6787362  
> 118.8788474 40.85110524 43.61666578 74.49854451 234.9635424100  
> 75.83113309 5.37011882 113.554889 133.3502406 63.76897457  
> -76.46719427100 158.8205968 221.6742911 -7.952528826 264.7801533  
> 205.9813716 171.3093441100 -104.513704 124.6029514 25.12435003  
> -62.06899129 62.22258095 39.10232772100 79.34780168!
>   291.6122404 192.8458895 200.5386263 105.4680114 -2.853494564100  
> 97.7905608 58.03397026 -10.99872902 106.0123175 55.37186651  
> -35.38964088100 158.791745 167.2811586 115.5301998 46.18000075  
> -35.83984053 44.29784635100 -49.76741488 -38.13763622 42.6206969  
> 170.1760672 172.5956422 198.2358879100 49.37659496 33.15366038  
> -44.28011181 49.47050005 137.0366161 59.20602828100 -97.30115079  
> 41.86501017 137.6105498 110.1227608 108.4026112 243.6586799100  
> -39.35000333 166.3355026 123.8335488 231.4431456 -24.05193574  
> 76.75505041100 -19.05642395 141.7483176 24.58494504 54.0625926  
> 93.27244676 225.7758027100 36.11136484 -49.61304664 82.02096518  
> 90.76583852 -129.6667387 -7.992638563100 83.00767778 -45.72753514  
> 102.2809656 140.6478623 214.7422103 176.5430224100 55.49177935  
> 181.4050029 42.49151968 199.1295464 19.25956558 94.3691482];
> plot(a')