Equation of the Line in command window

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Ashley Megow 2020-10-8

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https://ww2.mathworks.cn/matlabcentral/answers/608701-equation-of-the-line-in-command-window

评论： Star Strider 2020-10-8

采纳的回答： Star Strider

I have a graph, with an equation, but i need to display that equation into the command window.

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Star Strider 2020-10-8

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https://ww2.mathworks.cn/matlabcentral/answers/608701-equation-of-the-line-in-command-window#answer_509006

在 MATLAB Online 中打开

Try this:

B = [y(:) ones(size(y(:)))] \ x(:);
fprintf('Linear: y = %.4f*x%+.2f', B)                                                                               % Display In Command Window
text(0, max(ylim), sprintf('Linear: y = %.4f*x%+.2f', B), 'HorizontalAlignment','left', 'VerticalAlignment','top')  % Display On Plot