Can I acess value of variable in legend of plot

Question

venkat siddhartha rama 2019-7-22

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https://ww2.mathworks.cn/matlabcentral/answers/472916-can-i-acess-value-of-variable-in-legend-of-plot

评论： Charaf-ed-dine EL FATTAHI 2022-2-15

Hi, I have a plot for which I need to have the integrated values next to each legend. I mean, Can I use %0.2f which is used in fprintf statement to get the value of the variable used. Below is the code line of the legend, Hopefully I have explained it well enough..

% Code Line Begins here%
legend('Only Solar Generation[Integrated = %0.2f KW]','Only Wind Generation[Integrated = %0.2f KW]' ,'Load of community[Integrated = %0.2f KW]','Combined wind and solar power produced[Integrated = %0.2f KW]', 'Excess Energy Produced[Integrated = %0.2f KW]','Defecit Energy[Integrated = %0.2f KW]', Integrated_Just_solar_Farm_generation,Integrated_hourly_wind_power1,Integrated_Community_Hourly_load_demand,Integrated_comined_wind_and_solar_power,Integrated_Excess_energy_produced,Integrated_Defecit_Energy  );
%Code line Ends here%

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Answer 1

Image Analyst 2019-7-23

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在 MATLAB Online 中打开

I would make up each legend using sprintf, then call legend

legend1 = sprintf('Only Solar Generation[Integrated = %0.2f KW]', num1);
legend2 = sprintf('Whatever...%f', num2);
legend3 = sprintf('Whatever...%.1f', num3);
legend(legend1, legend2, legend3);

It's a lot simpler this way.