Following is the list of image arithmetic functions and their usage.

► Imabsdiff - Returns absolute difference of two images.

► Imadd - Performs addition of two images or addition of constant to image.

► Imapplymatrix - Applies linear combination of color channels.

► Imcomplement - Complements an image.

► Imdivide - Divide one image into another or divide image by constant.

► Imlincomb - Linear combination of images.

► Immultiply - Multiplies two images or multiplies image by constant.

► Imsubtract - Subtracts one image from another or subtracts constant from image.