How to convert complex single Image data into complex double image?

image_data-xyz = 4-D complex single

I want to change the image data into complex double. How can I do that?

Answer 1

[KALYAN ACHARJYA]

im2double()

https://in.mathworks.com/help/matlab/ref/im2double.html

Answer 2

[yanqi liu]

yes，sir，may be use

double(your_matrix)