Merge pull request #220 from JasimAlrawie/main

math - linear map function

Author: majvax

snippets/c/mathematical-functions/linear-mapping.md

@@ -0,0 +1,18 @@
+---
+title: Linear Mapping
+description: remaps a value from one range to another
+author: JasimAlrawie
+tags: math,number-theory,algebra
+---
+
+```c
+float linearMapping(float value, float minIn, float maxIn, float minOut, float maxOut) {
+    return (value - minIn) * (maxOut - minOut)/(maxIn - minIn) + minOut;
+}
+
+
+// Usage:
+linearMapping(value, 0, 1, 0, 255);    // remaps the value from (0,1) to (0,255)
+linearMapping(value, 0, PI*2, 0, 360); // remaps the value from rad to deg
+linearMapping(value, -1, 1, 1, 8);     // remaps the value from (-1,1) to (1,8)
+```

snippets/javascript/mathematical-functions/linear-mapping.md

@@ -0,0 +1,17 @@
+---
+title: Linear Mapping
+description: remaps a value from one range to another
+author: JasimAlrawie
+tags: math,number-theory,algebra
+---
+
+```js
+function linearMapping(value, minIn, maxIn, minOut, maxOut) {
+    return (value - minIn) * (maxOut - minOut)/(maxIn - minIn) + minOut
+}
+
+// Usage:
+linearMapping(value, 0, 1, 0, 255)    // remaps the value from (0,1) to (0,255)
+linearMapping(value, 0, PI*2, 0, 360) // remaps the value from rad to deg
+linearMapping(value, -1, 1, 1, 8)     // remaps the value from (-1,1) to (1,8)
+```

snippets/python/math-and-numbers/linear-mapping.md

@@ -0,0 +1,16 @@
+---
+title: Linear Mapping
+description: remaps a value from one range to another
+author: JasimAlrawie
+tags: math,number-theory,algebra
+---
+
+```py
+def linear_mapping(value, min_in, max_in, min_out, max_out):
+    return (value - min_in) * (max_out - min_out) / (max_in - min_in) + min_out
+
+#Usage:
+linear_mapping(value, 0, 1, 0, 255)    # remaps the value from (0,1) to (0,255)
+linear_mapping(value, 0, PI*2, 0, 360) # remaps the value from rad to deg
+linear_mapping(value, -1, 1, 1, 8)     # remaps the value from (-1,1) to (1,8)
+```