Problem with matrix output

When I compute certain matrices Matlab renames parts of the elements with sigmas in the output. How can I turn this option off and keep my original symbols?

Thank you in advance

My code is

clear
syms p w1 w2 y1 y2
F = p*((w1/(p*y1))^(y1/(y1-1))+(w2/(p*y2))^(y2/(y2-1))) - w1*(w1/p *y1)^(1/(y1-1)) - w2*(w2/p*y2)^(1/(y2-1))
gradient(F, [p, w1, w2])
A = hessian(F, [p, w1, w2])
LaTeX_Expr = latex(A)

And the output is below

Answer 1

[Tamuno-Opubo Cookey-Gam]

Could you give an example of what your input is and what Matlab returns?

[Marco Forti]

clear
syms p w1 w2 y1 y2
F = p*((w1/(p*y1))^(y1/(y1-1))+(w2/(p*y2))^(y2/(y2-1))) - w1*(w1/p *y1)^(1/(y1-1)) - w2*(w2/p*y2)^(1/(y2-1))
gradient(F, [p, w1, w2])

A = hessian(F, [p, w1, w2])
LaTeX_Expr = latex(A)

F =

ans =

A =