"Invalid color or line style." Error during plotting in Executable

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Onur
Onur 2023-6-23
评论： Onur 2023-6-23
I am trying to plot a figure with an executable created by "compiler.build.standaloneApplication".
The function I am using is;
function dummyFunction1(a,b)
plot([1 2],[a b]);
end
And the code for executable generation;
appFile = fullfile('D:\testFolder\dummyFunction1.m');
opts = compiler.build.StandaloneApplicationOptions(appFile,'OutputDir','D:\testFolder');
results = compiler.build.standaloneApplication(opts);
Here is the problem;
Any help would be great.

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采纳的回答

Steven Lord
Steven Lord 2023-6-23
Read the "Using a MATLAB File You Plan to Deploy" section on this documentation page. Inside your application as you've written it a and b are not the numbers 5 and 8 but the char arrays '5' and '8', and '58' is not a valid color or line style for the plot function (as the error message indicates.) You will need to convert them into numbers before using them in your call to plot.
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Steven Lord
Steven Lord 2023-6-23
Ran in:
You probably want to use the isdeployed function to only convert from string to number in your deployed application, or use the ischar and/or isstring function to only convert if you receive text data as input. If given a number as input the str2double function will return NaN.
str2double(5)
ans = NaN
x = '5';
if ischar(x)
fprintf("Input data is a char")
x = str2double(x);
else
fprintf("Input data is a number")
end
Input data is a char
class(x)
ans = 'double'
x = 8;
if ischar(x)
fprintf("Input data is a char")
x = str2double(x);
else
fprintf("Input data is a number")
end
Input data is a number
class(x)
ans = 'double'

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更多回答（1 个）

GAJENDRA TELI
GAJENDRA TELI 2023-6-23
you should check the color or line style in dummyFunction1 and change both by some other vlue and then run the program and check the output result.

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