I have been plotting trig functions like this for years in matlab with zero problem Now all of a sudden it no longer works.
x = [0:.1:20]
y = .5*cos(2*pi*60.*x)
plot(x,y)
Now today all i get is a constant value. What is going on here
Doing the following makes no difference
x = [0:.1:20]
plot(x,.5*cos(2*pi*60.*x))
Someone please tell me why in the holy land of matlab multiplying the vector X by a constant of 2*pi*60 completely ruins the plot and turns it into a constant. It makes zero sense!
but yet somehow this works
All I'm doing is multiplying the foreign X by a constant of 2*pi*60 This is ridiculous
Also just to add the following works
y = cos(2*x) y = cos(2*pi*x)
But for some insane reason the plot goes nuts when you plot
y = cos(2*pi*60*x) and says the plot is a constant .5
Also just to add to the infuriation of this if you plot
plot(x,.5*cos(120*pi*x))
plot(x,.5*cos(119*pi*x))
