This matrix scales a point by sx,sy : matrix « Number « Ruby






  1. Ruby
  2. Number
  3. matrix

This matrix scales a point by sx,sy


require "matrix"
unit = 2
sx,sy = 2.0, 3.0;
scale = Matrix[[sx,0], [0, sy]]
scale*unit             # => [2.0, 3.0]: scaled point








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