function y=lagrange(x,pointx,pointy)n=size(pointx,2);L=ones(n,size(x,2));
In many places in the coding (.m) file I found codes like this (this is from the lagrange method file by "Calzino" from this website)
I understand why we type "y=f(x)" or "y=@x f(x)" but I don't understand what's the reasons we do "y=something (something1,something2,something3)"
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