When using linspace, matlab shows an error message= not enough input arguments.

for i=1:20
y=log(cond(vander(linspace(1,0,n))));
plot(n,y,'-');hold on
end
There is no line shown up.
Error message:
Not enough input arguments.
Error in linspace (line 19)
n = floor(double(n));
Help! Thanks in advance!

 采纳的回答

I do not see where you defined ‘n’.
This works for me:
for n=1:20
y=log(cond(vander(linspace(1,0,n))));
plot(n,y,'pg');
hold on
end
EDIT
Also:
i = 1:20;
for n = i
y(n)=log(cond(vander(linspace(1,0,n))));
end
figure(1)
plot(i,y,'-pg');
grid

更多回答(1 个)

You would get that argument if you had defined n as being an input argument to your function, but the place that called your function did not pass in a value in the position that corresponds to n.

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