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ev-plot2d-rhs-solve
plot2d(ev(k,rh=6,r=8),[my,0.1,1]);

g1: F_H+F_N2=F_N1;

g2: F_N1*38=F_N2*100;

sol1:solve([g1,g2],[F...

Calculate

ev-matrix-numer-plot2d-sqrt
plot2d(f(x),[x,-10,10]);

M:matrix([2],[5],[-3]);

v(x):=x*M;

f(x):=ev(sqrt(v(x)[1]...

Calculate

ev-false-kill-numer-ratprint-sin-solve

kill(all);

ratprint:false;

a:8.06;

Calculate

ev-gamma

ev(gamma(3/2));

ev(gamma(7/2));

ev(gamma(6));

Calculate

ev-float

dati:[f11117=78.999,f...

uno:f11117*f7711*n4/8...

ev(uno,dati);

Calculate

ev-expand-factor-ratexpand

Wc2:Wc-x+Q*x-f*Q;

x= m +(1/2)*c*s^2;

r1: ev(Wc2,x=m +(1/2)...

Calculate

ev-solve

g1:Uaus/Uein = 1/(1+(...

g2:solve(g1,Uein);

g3:ev(g2,[Uein=1.8,R1...

Calculate

ev

ev(a^2-10*a+5,a=2);

Calculate

ev-solve

werte:[R1=1400,R2=330...

I:-U1+I1*R1-U2+I3*R3+...

II:I2*R2-U3-I5*R5-I3*...

Calculate

ev-makelist-simpsum-sum

"*"/* Die Summe der e...

"*"/* Sie Summe als F...

s(n):=sum(2*i-1,i,1,n);

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) 
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