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x=-2:0.05:2;
[X,Y]=meshgrid(x);
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surf(X,Y,Z)
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%
x=-2:0.05:2;
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function f=sample2(x)
%
% f(x)=x^3*(7*sin(x)^2+5*cos(x)^2)
f(x)=x.^3.*(7*sin(x).^2+5*cos(x).^2);
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>> y=sample2(4)
y =
393.3120
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>> x
Undefined function or variable 'x'.
>> f
Undefined function or variable 'f'.
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function f=sample3(x,c1,c2)
%
% f(x)=x^3*(c1*sin(x)^2+c2*cos(x)^2)
% c1, c2
f=x.^3.*(c1*sin(x).^2+c2*cos(x).^2);
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>> y=sample3(5,5,7)
y =
645.1161
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function [Ret1,Ret2,...]=_(par1,par2,...)
%
Ret1=
Ret2=
...
end
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function FuncName1
function FuncName2(par1,par2,par3,par4)
function Ret1=FuncName3(par1,par2)
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function [mean,stdev]=stat(x)
n=length(x);
mean=sum(x)/n;
stdev=sqrt(sum((x-mean).^2/n));
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>> k=[1 5 3 7 4 2 6];
>> [m,s]=stat(k)
m =
s =
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>> a=stat(k)+7
a =
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stat , :
function [mean,stdev]=stat_main(x)
%
n=length(x);
mean=average(x,n);
stdev=sqrt(sum((x-average(x,n)).^2/n));
function mean=average(x,n)
%
mean=sum(x)/n;
average (), x.
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