### Related

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

b:5;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

b:5;

Calculate

##### ev-kill-plot3d

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

b:5;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

##### ev-kill-plot3d

kill(all);

fz:a+b*N+c*N^2+d*P+e*...

a:1000;

Calculate

### [ev,kill,plot3d]

Run Example
```(%i1)fz:a+b*N+c*N^2+d*P+e*P^2+f*N*P;
2                    2
(%o1)                 e P  + f N P + d P + c N  + b N + a
(%i2)  a:1000;
(%o2)                                1000
(%i3) b:5;
(%o3)                                  5
(%i4) c:-.005;
(%o4)                               - 0.005
(%i5) d:8;
(%o5)                                  8
(%i6) e:-.004;
(%o6)                               - 0.004
(%i7) f:-2.1;
(%o7)                                - 2.1
(%i8) ev(fz, N=40, P=100);
(%o8)                              - 6448.0
(%i9) plot3d(fz, [N,0,200],[P,0,200]);
plotkill(all);
(%o0)                                done
(%i1) ```
Run Example
```kill(all);
(%o0)                                done
(%i1) fz:a+b*N+c*N^2+d*P+e*P^2+f*N*P;
2                    2
(%o1)                 e P  + f N P + d P + c N  + b N + a
(%i2)  a:1000;
(%o2)                                1000
(%i3) b:5;
(%o3)                                  5
(%i4) c:-.005;
(%o4)                               - 0.005
(%i5) d:8;
(%o5)                                  8
(%i6) e:-.004;
(%o6)                               - 0.004
(%i7) f:-0.021;
(%o7)                               - 0.021
(%i8) ev(fz, N=40, P=100);
(%o8)                               1868.0
(%i9) plot3d(fz, [N,0,200],[P,0,200],[box],[palette, false],[color, black],[elevation, 80]);
plotkill(all);
(%o0)                                done
(%i1) ```
Run Example
```fz:a+b*N+c*N^2+d*P+e*P^2+f*N*P;
2                    2
(%o1)                 e P  + f N P + d P + c N  + b N + a
(%i2)  a:1000;
(%o2)                                1000
(%i3) b:5;
(%o3)                                  5
(%i4) c:-.05;
(%o4)                               - 0.05
(%i5) d:8;
(%o5)                                  8
(%i6) e:-.04;
(%o6)                               - 0.04
(%i7) f:-2.1;
(%o7)                                - 2.1
(%i8) ev(fz, N=0, P=0);
(%o8)                                1000
(%i9) plot3d(fz, [N,0,200],[P,0,200]);
plotkill(all);
(%o0)                                done
(%i1) ```

Help for Ev

Help for Kill

Help for Plot3d