How can I export the picture to matrix

Now I have a 3D result picture from comsol. I want to transform this picture to Three-dimensional matrix in order to analysis electric field distribution.What should I do or what code should I enter in matlab.I'm waiting for someone who can solve this problem.Thanks for your attention.

Answer 1

[Arjun]

Hi @远志 崔,

I see that you want to export a picture to matrix in MATLAB.

In order to do so you can follow the below mentioned steps:

• Save plot as image or vector graphic file. You can either use the "save figure" option in the tool tip to save the image or follow the documentation link for programmatically saving the image: https://www.mathworks.com/help/releases/R2021a/matlab/creating_plots/saving-your-work.html#bun6nb4
• Load the image in a variable "x" using "imread" function of MATLAB. "x" will be the matrix corresponding to the image. You can refer to the documentation link of "imread" for more information: https://www.mathworks.com/help/releases/R2021a/matlab/ref/imread.html

% example usage of imread
x = imread("demo.jpg");

I hope this helps!