Notice that denies the possibility of eval() on a symbolic expression. Observe: symsx expr = piecewise(1 <= x & x <=2, true, false) expr = char(expr) ans ='piecewise(x in Dom::Interval([1], [2]), 1, symtrue, 0)'
Alternatively you need to evaluate your symbolic expression for certain input values to create an array of numbers that plot can deal with - but you can't use double() for that since it wouldn't know what numbers to plug into your variables. Share Follow answered Mar 29, 2011 at 16:04...
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Now it's time to build one frame of our animation. So instead of looking at all values of f, we'll just consider one. Appropriately, we'll start with frame 1. f = 1; Now we use our interpolation trick to map frame number into theta. theta = interp1([0 48],[0 2*pi],f);...