What is this error in Script file?

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adrooney
adrooney 2014-10-5
评论： Anees kazi 2015-8-14
X=zeros (1,1301);
time =0:0.05:65;
k=0.05;
for i=2:1301
X(i) = ((k*(0.293*X(i-1)^2)-(0.542*X(i-1))+0.354)*0.05) +X(i-1);
end
plot (time, X)
hold on
plot (timeopc25, alphaopc25,'--')
legend('Predicted Data','Experimental data');
It tells, not formed from a valid matlab identifier. What does this mean? Thanx in advance
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Star Strider
Star Strider 2014-10-6
We don’t have ‘timeopc25’, and ‘alphaopc25’ so we can’t help you with them.
adrooney
adrooney 2014-10-6
@Star Strider Please check my code and the graph just doesn't converge on the original graph. I have included the timeopc25 and alphaopc25 files too.

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采纳的回答

Bruno Pop-Stefanov
Bruno Pop-Stefanov 2014-10-6
This error usually occur when there is a space in an M-file, or other forbidden characters. Check that the script file containing the code has a correct name with no white spaces.
This is incorrect: "my file.m"
This is correct: "myfile.m"

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