controlling speed of EV3 controller

hello all ,

im trying to control my ev3 motor speed , but when i apply this code noting happen

whta should i do?

thanks

myev3 = legoev3;

mymotor = motor(myev3,'A');

omega_1=[0 17.79123846 18.61264124 19.24807265 19.69118368 19.93754691 19.98470077 19.8321741 19.48149091 18.93615509 18.20161548 17.28521134 16.19609908 14.94516075 13.54489532 12.00929377 10.35369932 8.59465414 6.749734013 4.837372774 2.876678106 0.88724062 -1.11106188 -3.098263017 -5.054507334 -6.960248685 -8.796445531 -10.5447512 -12.1876972 -13.70886776 -15.09306385 -16.32645503 -17.39671767 -18.29315806 -19.00681925 -19.5305706 -19.85917893 -19.98936092 -19.91981582 -19.6512385 -19.18631251 -18.52968322 -17.68791146 -16.66940794 -15.48434921 -14.14457597 -12.66347481 -11.05584439 -9.337747634 -7.526351187 -5.639753927 -3.696806111 -1.716921029 0.280118959 2.274360092 4.245876571 6.174969654 8.042364482 9.829402662 11.5182287 13.0919684 14.53489749 15.83259868

];

%%

q=63;

while q<62

mymotor.Speed = omega_1(0:q,:);

start(mymotor);

pause(90);

stop(mymotor);

q+1;

end