simple error on plotting

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Moj
Moj 2015-10-29
回答： Ingrid 2015-10-29
Dear There, I got an unknown error on plotting so simple function. My function is:
function test
x = 0:pi/100:2*pi;
y = sin(x);
plot (x,y)
end
I am really confused why I get this unknown error:
Error using plot
Too many input arguments.
Error in test2 (line 4)
plot (x,y)
Thanks in advance

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回答（2 个）

Thorsten
Thorsten 2015-10-29
编辑：Thorsten 2015-10-29
It works for me. Try
clear
test2
and look which plot function you are actually using
which plot
BTW: linspace is a nice way to get some evenly spaced numbers
x = linspace(0, 2*pi); % default is 100 values
or
x = linspace(0, 2*pi, 200); % if you need more
Ingrid
Ingrid 2015-10-29
this should work, are you sure that you have not redefined the plot function or used it as a variable name?

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