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Error using plot Invalid first data argument. How i can solve it!?

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antonio
antonio 2015 年 5 月 12 日
回答済み: Walter Roberson 2015 年 5 月 13 日
I ave this function, but when i start it, this returns me:
Error using plot
Invalid first data argument.
Error in cal_flowGP (line 53)
plot(flow);
any help please? Thanks a lot!
  1 件のコメント
Star Strider
Star Strider 2015 年 5 月 12 日
Typing:
whos flow
in your code or the Command Window may help you find the problem. Pay special attention to Class.

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回答 (2 件)

Sainath Varikuti
Sainath Varikuti 2015 年 5 月 13 日
Check the values of the 'flow' variable in the MATLAB Workspace Window.
Walter Roberson
Walter Roberson 2015 年 5 月 13 日
At that point in your code, "flow" is not a variable, so it is being interpreted as a call to the routine named "flow", but you are not passing arguments into that call.
You should check the variable names you are using; you will find that you assigned your data to some other name, or the place you assigned it is not in the same scope as where you are trying to use it.

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