How to create a function that will call a text value to open a file?

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I am creating a function that needs to have a couple of values associated with a file that it loads and does some processing to. The function looks like this (obviously names changed.)
function [outx,outy] = imstupid(image_filename,var1,var2,var3)
G = imread('filename','bmp');
Sorry if this isn't clear, but basically I need to have image_filename be called as text value that is used in the imread function. Thanks!

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Vishal Rane
Vishal Rane 2014년 6월 12일
Assuming image_filename contains the complete path (if not on matlab path) or name of image to be read, then
G = imread( image_filename);
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Thomas-Glyn Cox
Thomas-Glyn Cox 2014년 6월 13일
Just a minor note, when inputting the image_filename variable, one needs to make sure to include the format as 'image_filename.format' syntax or else there will be errors.

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