Displaying symbolic function with decimal number instead of fractional coefficients

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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].';

Accepted Answer

John D'Errico
John D'Errico on 11 Nov 2020
Just use vpa.
help vpa

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