how to calculate the power of 2 in a symbolic expression?

s1,s2,s3 are syms

I \want to calculate the power of 2 in a symbolic expression. The 'power' and '.^' dont calculate it.

Answer 1

[Star Strider]

Try something like this —

syms s1 s2 s3 
v = 3*sqrt(5)*s1 + 27*sqrt(34)*s2 + 15*sqrt(629)*s3/17 + 3

v = 

v2 = 2^v

v2 = 

v2 = vpa(v2, 6)

v2 = 

.

[Marianna]

i want the v^2. thanks

[Walter Roberson]

syms s1 s2 s3 
v = 3*sqrt(5)*s1 + 27*sqrt(34)*s2 + 15*sqrt(629)*s3/17 + 3

v = 

v2 = v^2

v2 = 

v2e = expand(v2)

v2e = 

v2 = vpa(v2e, 6)

v2 = 

[Marianna]

it's correct!!! Thankss

[Star Strider]

@Walter Roberson — Thank you!

@Marianna — My pleasure!

If my Answer helped you solve your problem, please Accept it!

I did not understand what you meant by ‘power of 2’.

.