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Is matlab function distance is broken ?

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Aymeric Ferreira
Aymeric Ferreira 2020 年 6 月 2 日
コメント済み: Ameer Hamza 2020 年 6 月 3 日
Hello,
I try to calculate the distance between two points on a sphere. It seems that the function distance is built-in https://www.mathworks.com/help/map/ref/distance.html
But I'm unable to make it work, even the examples in the doc seem to not work :
arclen = distance('gc',[37,-76],[37,-9])
arclen = distance('rh',[37,-76],[37,-9])
I always have this error :
Check for missing argument or incorrect argument data type in call to function 'distance'.
I even tried syntax like that :
[arclen,az] = distance('gc',[37,-76],[37,-9])
But nothing seems to work, why ? I'm using Matlab R2020a, is it deprecated ?

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Ameer Hamza
Ameer Hamza 2020 年 6 月 3 日
You need mapping toolbox to use this function: https://www.mathworks.com/products/mapping.html
Aymeric Ferreira
Aymeric Ferreira 2020 年 6 月 3 日
Thank you, I didn't see it.
How I can accept your answer ?
Ameer Hamza
Ameer Hamza 2020 年 6 月 3 日
Aymeric, I added it as an answer. You can accept it.

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採用された回答

Ameer Hamza
Ameer Hamza 2020 年 6 月 3 日
You need mapping toolbox to use this function: https://www.mathworks.com/products/mapping.html

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その他の回答 (1 件)

Mark Brandon
Mark Brandon 2020 年 6 月 2 日
It's your install.
Screen grab from those commands on my 2020a Update 2
un-install and clean install again?
good luck. MB

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