making the code run in certain condition

Question

Joo Seo Lee 2020-9-18

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/595897-making-the-code-run-in-certain-condition

回答： Gouri Chennuru 2020-9-22

for i=1:length(yearU)
    use=find(year==yearU(i));
    Rad_s=Rad(use);
    Rad_s1=Rad_s(~isnan(Rad_s));
    Rad_s1_sort=sort(Rad_s1, 'descend');
    ext_Rad(i,1)=mean(Rad_s1_sort(1:7));
end

figure (7)
plot(yearU, ext_Rad, '-or'); 
xlabel('Time'); ylabel('wettest five day temperature (C)'); 
set(gcf, 'PaperUnits', 'inches', 'PaperPosition', [0 0 12 8]);
print(gcf,'-dpng','-r300', ['fig7.png']);

at here, i want to give a make this run when the number of Rad is 5 or more. How should I write the code that gives this condition?

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Joo Seo Lee 2020-9-18

Yes. How should I write the code?

Rik 2020-9-18

It sounds like you need an if statement. If you don't know how to use that you will probably benefit from a Matlab tutorial. I would suggest Onramp, which is provided for free by Mathworks.

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Answer 1

Gouri Chennuru 2020-9-22

0
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https://ww2.mathworks.cn/matlabcentral/answers/595897-making-the-code-run-in-certain-condition#answer_498514

在 MATLAB Online 中打开

Hi,

You can use the if condition available in MATLAB in order to execute the set of statements under certain condition.

As a workaround, place the if statement with the condition numel(ext_Rad)>=5 to execute the set of statements.

if numel(ext_Rad)>=5
    figure (7)
    plot(yearU, ext_Rad, '-or'); 
    xlabel('Time'); ylabel('wettest five day temperature (C)'); 
    set(gcf, 'PaperUnits', 'inches', 'PaperPosition', [0 0 12 8]);
    print(gcf,'-dpng','-r300', ['fig7.png']);
end