MATLAB: Displaying symbolic function with decimal number instead of fractional coefficients

formatfprintfmatrix manipulationoutputspecifiersymbolic

The following code outputs a symbolic function with fractional coefficients, but I want it to display the coefficients as floating point numbers or doubles. I tried using fprintf but no format specifier I tried worked. Can someone tell me how the coefficients can be formatted? 
a = [1.33 2.455 3.32 4];
syms x
f = [x,x^3,x,x^3].';
a*f

Best Answer

Just use vpa.
help vpa
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