how to obtain single value answer from numeric expression

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Pk Verma 2021-10-8

评论： Abu Zar 2023-2-14

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

Star Strider 2021-10-8

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

Jorge Arriagada 2022-1-13

This is the way

Abu Zar 2023-2-14

Hello if we required more simple?please.

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