containers.Map: The number of keys and values must be the same
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I have the above mentioned issue when I try to run this code:
keys = [DS.UserNum];
valueSet = [DS.CarNum];
M = containers.Map(keys,valueSet)
UserNum Car Num
1 [123,257,345,235,553]
2 834
3 [111,156]
4 [111,445,642,164]
5 []
--> The number of keys and values must be the same. How can I correct that.
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Walter Roberson
2022 年 5 月 6 日
valueSet = {DS.CarNum};
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Walter Roberson
2022 年 5 月 7 日
In that example, the keys are character vectors, and the values are scalar numeric. Character vectors are collections of characters.
In your code, the keys are scalar numeric, and the values are vectors of numeric — collections of numbers.
In both cases, collections use {} and scalars use []
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