![2
>> n=8
>> x=[0 0.5 1 1.5 2 2.5 3 3.5];
>> f=sin(x).*exp(-x);
>> p=polyfit(x,f,n,-1);
>> p=polyfit(x,f,n -1);
>> xi=-0.2:0.1:4;
>> plot(xi,polyval(p,xi), '-',x,f,'o');
>>
入力](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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関数の近似方法(MATLAB)
- 2. 2 >> n=8 >> x=[0 0.5 1 1.5 2 2.5 3 3.5]; >> f=sin(x).*exp(-x); >> p=polyfit(x,f,n,-1); >> p=polyfit(x,f,n -1); >> xi=-0.2:0.1:4; >> plot(xi,polyval(p,xi), '-',x,f,'o'); >> 入力
- 3. 3 出力