how can i use image which is save in variable?

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romasha 2014-1-21

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https://ww2.mathworks.cn/matlabcentral/answers/113196-how-can-i-use-image-which-is-save-in-variable

关闭： Walter Roberson 2014-1-21

in the following code i wanted to use gray image which saved in variable b for further use,but it gives an error "undefined b" on second line... kindly sort this out

CODE:

i=imread('C:\Users\Romesha\Desktop\eye.jpg');b=rgb2gray(i);imshow(b); im = imread(b); imshow(im);

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Walter Roberson 2014-1-21

duplicates http://www.mathworks.co.uk/matlabcentral/answers/113197-how-can-i-use-image-which-is-save-in-variable

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