### Related

##### depends-hessian-sin

hessian (x * sin (y),...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends

depends(f,[t,y],[t,y]...

f:1+(t-y)^2;

Calculate

##### depends-diff-ode2

depends(T, t);

ode2(diff(T, t) = -k ...

Calculate

##### depends-hessian

hessian (4*x^2-4*x*y+...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends-hessian-log

hessian ((log(x*y)-1)...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends-hessian

hessian (x^2 + 2*x*y ...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends-hessian

hessian (s^2*e^r, [s,...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends-jacobian

jacobian ([(u^2-v^2)/...

depends ([F, G], [y,...

jacobian ([F, G], [y...

Calculate

##### depends-hessian

hessian (-x^2+66*x-y^...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

##### depends-hessian

hessian (x^(a) * y^(1...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

### depends

Run Example
```(%i1)gradef(r(t),drdt);
(%o1)                                r(t)
(%i2) depends(r, t);
(%o2)                               [r(t)]
(%i3) v:diff(r, t);
dr
(%o3)                                 --
dt
(%i4) e:(a-r^3)^(1/3);
3 1/3
(%o4)                             (a - r )
(%i5) w:diff(e, t);
2 dr
r  --
dt
(%o5)                            - -----------
3 2/3
(a - r )
(%i6) f:w^2;
4  dr 2
r  (--)
dt
(%o6)                             -----------
3 4/3
(a - r )
(%i7) plot2d(diff(f,t), [r, -10, 10]);
plot```
Run Example
```hessian ((x+y+z)^2, [x, y, z]);
[ 2  2  2 ]
[         ]
(%o1)                             [ 2  2  2 ]
[         ]
[ 2  2  2 ]
(%i2)  depends (F, [a, b]);
(%o2)                              [F(a, b)]
(%i3)  hessian (F, [a, b]);
[   2      2   ]
[  d F    d F  ]
[  ---   ----- ]
[    2   da db ]
[  da          ]
(%o3)                          [              ]
[   2      2   ]
[  d F    d F  ]
[ -----   ---  ]
[ da db     2  ]
[         db   ]
(%i4) ```
Run Example
```hessian (-x^2-y^2-x*y, [x, y]);
[ - 2  - 1 ]
(%o1)                            [          ]
[ - 1  - 2 ]
(%i2)  depends (F, [a, b]);
(%o2)                              [F(a, b)]
(%i3)  hessian (F, [a, b]);
[   2      2   ]
[  d F    d F  ]
[  ---   ----- ]
[    2   da db ]
[  da          ]
(%o3)                          [              ]
[   2      2   ]
[  d F    d F  ]
[ -----   ---  ]
[ da db     2  ]
[         db   ]
(%i4) ```

Help for Depends