solve is returning symbolic value.

i am using the solve function but i am getting weird symbolic result instead of getting the interval i want. how can i solve this? thank you.

>> syms p
>> solve(3.1416*p/(1-p^2)^0.5<2.3)

ans =

solve([(3.1416*p)/(1.0 - 1.0*p^2)^(1/2) < 2.3], [p])

>> solve('3.1416*p/(1-p^2)^0.5<2.3')

ans =

solve([(3.1416*p)/(1.0 - 1.0*p^2)^0.5 < 2.3], [p])

Answer 1

[Walter Roberson]

That can happen if solve() decides that it is a kind of problem that it does not know how to answer.

Generally speaking, you should solve for equalities rather than inequalities.

One trick is to convert something of the form

syms A B
solve(A < B)

into the form

syms A B
syms delta positive
A = B - delta