Sponsored links: Algebra eBooks
 

Related

ev-sum

ev(sum(i,i,1,n),i);

Calculate

ev

1099*x+901*y+1110*z=8...

109*x+991*y+101*z=65578;

ev(10000*x+100*y+z);

Calculate

ev-linsolve

jednacine: [x+y=30, 2...

promenljive : [x,y];

odziv: linsolve(jedna...

Calculate

ev-numer

ev( (-1.)^(-2.1)), nu...

Calculate

ev-numer-sin

ev(sin(15*%pi/180),nu...

Calculate

ev-expand-lhs-rhs-solve-sqrt

aa:ev(y=x^2,[x=1/sqrt...

bb:expand(aa);

cc:lhs(bb)-rhs(bb);

Calculate

ev-gamma-numer

ev(gamma(3/2),numer);

Calculate

ev-plot2d-rhs-solve
plot2d([f(x)],[x,-5,10]);

"*"/* Gleichung einer...

"*"/* Eingabe der Pun...

x1:1;

Calculate

ev-horner-keepfloat-true

expr: 1e-155*x^2 - 5....

expr2: horner (%, x)...

ev (expr, x=1);

Calculate

ev-ratsimp-rhs-solve

eq1: Eq=V-(1-tau)*C/r...

eq2: Vb =((1-tau)*C/r...

eq3: Eq=V-(1-tau)*(C/...

Calculate

ev

Run Example
(%i1)M:120;
(%o1)                                 120
(%i2) alpha:15;
(%o2)                                 15
(%i3) g:9.81;
(%o3)                          9.810000000000001
(%i4) R:7;
(%o4)                                  7
(%i5) V:20/3.6;
(%o5)                          5.555555555555555
(%i6) Mom:ev(sin(alpha*%pi/180)*M*g*R*25.4/2000,numer);
(%o6)                          27.08621023263771
(%i7) Speed:ev(V/(R*25.4e-3),numer);
(%o7)                          31.24609423822022
(%i8) 
Run Example
funktion(x,y) := (x^3-9*x)/(1+y^2);
                                             3
                                            x  - 9 x
(%o1)                     funktion(x, y) := --------
                                                  2
                                             1 + y
(%i2) fx : diff(funktion(x,y),x);
                                      2
                                   3 x  - 9
(%o2)                              --------
                                     2
                                    y  + 1
(%i3) fy : diff(funktion(x,y),y);
                                     3
                                 2 (x  - 9 x) y
(%o3)                          - --------------
                                     2     2
                                   (y  + 1)
(%i4) fxx : diff(diff(funktion(x,y),x),x);
                                     6 x
(%o4)                               ------
                                     2
                                    y  + 1
(%i5) fyy : diff(diff(funktion(x,y),y),y);
                            3         2       3
                        8 (x  - 9 x) y    2 (x  - 9 x)
(%o5)                   --------------- - ------------
                             2     3         2     2
                           (y  + 1)        (y  + 1)
(%i6) a11 : ev(fxx, x=sqrt(3), y=0);
                                       3/2
(%o6)                               2 3
(%i7) a22 : ev(fyy, x=sqrt(3), y=0);
                                     3/2    5/2
(%o7)                          - 2 (3    - 3   )
(%i8) 
Run Example
eq:x^8-x^7+x^5-x^4+x^3-x+1;
                         8    7    5    4    3
(%o1)                   x  - x  + x  - x  + x  - x + 1
(%i2) eq2:ev(eq,x=x-4);
                     8          7          5          4          3
(%o2)   - x + (x - 4)  - (x - 4)  + (x - 4)  - (x - 4)  + (x - 4)  + 5
(%i3) eq3:expand(eq2);
       8       7        6         5          4          3           2
(%o3) x  - 33 x  + 476 x  - 3919 x  + 20139 x  - 66127 x  + 135444 x
                                                             - 158161 x + 80581
(%i4) eq4:create_list(coeff(eq3,x,i),i,0,7);
(%o4)    [80581, - 158161, 135444, - 66127, 20139, - 3919, 476, - 33]
(%i5) map(gcd,eq4);
(%o5) [spmod(80581), spmod(- 158161), spmod(135444), spmod(- 66127), 
                          spmod(20139), spmod(- 3919), spmod(476), spmod(- 33)]
(%i6) 

Related Help

Help for Ev