get acos of a 3D matrix

Posted by HuaLei (Shelley) Zhang on Aug 22, 2007; 2:41am
URL: http://imagej.273.s1.nabble.com/get-acos-of-a-3D-matrix-tp3698547.html

Hello
I opened a 3d dataset and try to get inverse cosine of the intensity of each
pixel, but the math functions only allow me to do simple algebraic
calculations such as add/subtract/multiply/divide, etc.

any way I can get acos of a stack? or even just a 2D image?

thank you!!