e09f2913-1b9b-423a-9fd1-c8c9d231cd5f 2 4 5 decimal

&[DATE] &[TIME] - &[FILENAME]

You need that one for scaling grayscale image M Min Max Scale Max Min - (M M Min - M Max M Min - 106 -^+ / (* Min + :

Mesh U, V  within the bounds L, H L H N xd U 0 : dx H L - N / : i 1 N 1 + (range U i el L dx i * dx - (+ : for U 41 line :

Generate the symmetric square matrix x y f U V Sym r 1 : i 1 U rows range c 1 : j 1 V rows range M r c el U i el V j el f eval : c c 1 + : 21 line for r r 1 + : 31 line for M 31 line :

L 2 π * - : H 2 π * : N 32 : 13 mat U L H N xd : V U : 12 mat 21 mat

x y f x sin y cos * : Ω x y f U V Sym : Ω Ω 0255 Scale : 31 line

iVBORw0KGgoAAAANSUhEUgAAACEAAAAhCAIAAADYhlU4AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEJSURBVEhL7dWxjYQwEIVhp6T0QEYPdEBATAn0QA+UQExAB9sDGT2QkqL9TrrshLSHmI1wYDxvfjR+eHad+viR5nmepmkcx2EYxF3XtW3bNE1d12ZrCl0Wg7zAp3Vdl2V5vV4kOVBVVWVZFkVhtqbQZTHIC3za933bNoGacvYCzfM8yzKzNYUui0Fe4NNxHB6qMSXHsh15IaVktqbQZTHIC/xXfKgmiD0PptQkBfaVOHqkG/d7xqcbv/sZ/9Nwd/XPGa+tb/sdnPFf8aGaIPY8mFKTFNhX4ujx3B+f88/98Y/zYEpNUmBfiaPHc398zv/+vavGlBzLduSF5/74ex5MqUkK7Ctx7Oj7N5C/VRhuWuSxAAAAAElFTkSuQmCC Ω