Array Transformation functions

AROTATE

Reference

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About

Rotates an array.

Calls AFLIP.

Inputs:

  • a : the array
  • [r] : rotate argument: -1, 90º to the “left”(CCW) once; 1, 90º to the “right”(CW) once; 2, 180º (2 times 90º CCW or CW)

Code

M.S. Excel 
AROTATE = LAMBDA(a, r, SWITCH(r, -1, AFLIP(TRANSPOSE(a), 1), 1, AFLIP(TRANSPOSE(a)), 2, AFLIP(a, 2)));