### Related

##### define-diff-float-realroots

define(f(x), 0.2*x^4 ...

define(fpp(x), diff(f...

float(realroots(fpp(x...

Calculate

##### define-diff-float-realroots

define(f(x), 0.2*x^4-...

define(fpp(x), diff(f...

float(realroots( fpp(...

Calculate

##### define-diff-float-realroots

define(f(x), 0.2*x^4-...

define(fpp(x), diff(f...

float(realroots( fpp(...

Calculate

##### define-diff-float-realroots

define(f(x), 3*x^2-4*x);

define(fp(x),diff(f(x...

float(realroots(fp(x)...

Calculate

##### define-diff-float-realroots

define(f(x), (x^3 + x...

f(-1);

float(f(-6));

Calculate

##### define-diff-float-realroots

define (f(x),(x^3 + x...

f(-1);

float(f(-6));

Calculate

##### define-diff-float-realroots

define (f(x), (x^3 + ...

f(-1);

float (f(-6));

Calculate

##### define-diff-float-realroots

define(f(x), x^3 - 2*...

define(fp(x), diff(f(...

float(realroots(fp(x)...

Calculate

##### define-diff-float-realroots

define(f(x), (x^3+x-1...

f(2);

f(-1);

Calculate

##### define-diff-float-realroots

define(f(x), 3*x^2-4*x);

define(fp(x),diff(f(x...

float(realroots(f(x)=...

Calculate

### [define,diff,float,realroots]

Run Example
```(%i1)define (f(x),(x^3 + x -13)/ (5*x^3) );
3
x  + x - 13
(%o1)                         f(x) := -----------
3
5 x
(%i2) f(-1);
(%o2)                                  3
(%i3)  	float(f(-6));
(%o3)                          0.21759259259259
(%i4) float(realroots(f(x)=0));
(%o4)                       [x = 2.209753304719925]
(%i5) define( fp(x), diff(f(x),x));
2           3
3 x  + 1   3 (x  + x - 13)
(%o5)                 fp(x) := -------- - ---------------
3             4
5 x           5 x
(%i6) fp(1.5);
(%o6)                          1.422222222222222
(%i7) float(find(realroots(f(x)=fp(x))));
(%o7)       find([x = - 1.933894544839859, x = 2.805978566408157])
(%i8) a:1.5;
(%o8)                                 1.5
(%i9) b:3;
(%o9)                                  3
(%i10) h: b-a;
(%o10)                                1.5
(%i11) dq: (f(a+h)-f(a))/h;
(%o11)                         0.40493827160494
(%i12) ```
Run Example
```define(f(x), (x^3 + x -13)/(5*x^3));
3
x  + x - 13
(%o1)                         f(x) := -----------
3
5 x
(%i2) f(-1);
(%o2)                                  3
(%i3) float(f(-6));
(%o3)                          0.21759259259259
(%i4) float(realroots (f(x) = 0));
(%o4)                       [x = 2.209753304719925]
(%i5) define(fp(x), diff(f(x),x));
2           3
3 x  + 1   3 (x  + x - 13)
(%o5)                 fp(x) := -------- - ---------------
3             4
5 x           5 x
(%i6) fp(1.5);
(%o6)                          1.422222222222222
(%i7) ```
Run Example
```define (f(x), (x^3 + x -13)/(5*x^3));
3
x  + x - 13
(%o1)                         f(x) := -----------
3
5 x
(%i2) f(-1);
(%o2)                                  3
(%i3) float (f(-6));
(%o3)                          0.21759259259259
(%i4) float (realroots (f(x)=0));
(%o4)                       [x = 2.209753304719925]
(%i5) define ( fp (x), diff (f(x),x) );
2           3
3 x  + 1   3 (x  + x - 13)
(%o5)                 fp(x) := -------- - ---------------
3             4
5 x           5 x
(%i6) fp (1.5);
(%o6)                          1.422222222222222
(%i7) ```

### Related Help

Help for Define

Help for Diff

Help for Float

Help for Realroots