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Function is not working

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MadjeKoe
MadjeKoe 2020-10-8
评论： Asad (Mehrzad) Khoddam 2020-10-9
Can somebody please tell me why this is not working? I'm a beginner with Matlab
relor = gdif(target==2);
if relor > 90
coror = relor - 180;
elseif relor < -90
coror = relor + 180;
else
coror = relor;
end
  4 个评论
显示 2更早的评论
Image Analyst
Image Analyst 2020-10-8
Then your coror must be in the range -90 to +90, inclusive. What is gdif and target? What values do they have???
Walter Roberson
Walter Roberson 2020-10-8
I suspect that target == 2 is true for more than one location, so that relor is a vector instead of a scalar. If so then you need to use logical indexing.

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采纳的回答

Asad (Mehrzad) Khoddam
coror = relor + (relor - 180).*(relor > 90) + (relor + 180) .* (relor < -90);
  2 个评论
MadjeKoe
MadjeKoe 2020-10-9
I tried this, but there are still values left outside -90 & 90. How is this possible?
Asad (Mehrzad) Khoddam
Asad (Mehrzad) Khoddam 2020-10-9
Yes, we have some missing:
coror = relor.*(relor>=-90 & relor<=90) + (relor - 180).*(relor>90) + (relor + 180).*(relor<-90);

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更多回答（1 个）

Walter Roberson
Walter Roberson 2020-10-9
relor = gdif(target==2);
coror = relor;
mask = relor > 90;
coror(mask) = relor(mask) - 180;
mask = relor < -90;
coror(mask) = relor(mask) + 180;

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