how to obtain single value answer from numeric expression

2021 10 8
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syms x
Ixx=int(x^4*sqrt(1+4*x^2),0,.5
Ixx = 
I want output in single value not as expression for exmple above expression value is 0.0082

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Star Strider
Star Strider 2021-10-8
Ran in:

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One option is the vpa function —
syms x
Ixx=int(x^4*sqrt(1+4*x^2),0,.5)
Ixx = 
Ixx = vpa(Ixx)
Ixx = 
0.008166416469837431261269302763286
.another one is double, depending on the desired result —
syms x
Ixx=int(x^4*sqrt(1+4*x^2),0,.5)
Ixx = 
Ixx = double(Ixx)
Ixx = 0.0082
.

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