Show equation on the 3D Plot

2020 8 15
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更新时间：2023 5 26
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Greeting All
Can I get multiple regression equation in matlab code and show the equation on the 3D Plot.
I ihave three axeis X, Y , and Z.
Best regards
Samir

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Walter Roberson
Walter Roberson 2020-8-16
text() can be passed x, y, and z coordinates to place text at.
But more common would be to create a character form of the equation and title() it.
Samir Albadri
Samir Albadri 2020-8-16
Thanks for your quick replay.
What I need is to get the multiple regression equation from the data by using a code for that and then show it on the 3D plot.
Regards

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Prabhanjan Mentla
Prabhanjan Mentla 2020-8-18

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Hi,
I assume the question needs two things one is getting the equation and then plotting on to the figure.
Multilinear regression (3d plot) may be solved using code in this link.
The below code can be added in the above link(after zlabel) to get figure title.
caption = sprintf('y = %f + %f * x1 + %f * x2 + %f * x1*x2', b(1),b(2),b(3),b(4));
text(15,185,45, caption, 'FontSize', 10, 'Color', 'r', 'FontWeight', 'bold');
You may get similar type of figure like below.
Hope this helps.

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Samir Albadri
Samir Albadri 2020-8-20

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Hello
I attach the code. I used. I tried what you recomended but for somehow it did not work
Can you see it
Thanks in advance

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