... ’x’)dsolve(’Dy + yˆ2 = 0’, ’y(0) = 1’, ’x’)[x, y] = dsolve(’Dx = 2x + y’, ’Dy=-x’)echo Turns on or off the echoing of commands inside script M-files.edit Opens the specified M-file in the Editor/Debugger.edit ... 13double precision, 10, 13down-arrow key, 15, 36dsolve, 66, 211, 287, 304Duplicate, 129e, 301echo, 37–38, 41–43, 45–46, 99, 304edit, 36, 101, 304Edit, 34, 80–81, 84, 96, 126, 200, 217Edit...