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abs-define-float-plot2d-realroots
plot2d (g(x), [x, 0,5]);

define(f(x), (x^4 + 3...

define(g(x), abs(4*x/...

f(5.5);

Calculate

abs-define-float-plot2d-realroots
plot2d( [f(x),g(x)], [x,-10,10], [y,-10,10] );

define(f(x), (x^4 + 3...

define(g(x), abs(4*x/...

f(3.2);

Calculate

abs-define-float-plot2d-realroots
plot2d (h(x), [x,-20,20], [y,-5,50]);

define ( h(x), abs(2*...

plot2d (h(x), [x,-20,...

float(h(-5/4));

Calculate

abs-define-float-plot2d-realroots
plot2d((g(x)), [x,-5,5], [y,-20,20]);

define(f(x), (x^4+3*x...

define(g(x), abs(4*x)...

f(5.5);

Calculate

abs-define-float-plot2d-realroots
plot2d((g(x)), [x,-5,5], [y,-20,20]);

define(f(x), (x^4+3*x...

define(g(x), abs(4*x)...

f(5.5);

Calculate

abs-define-float-plot2d-realroots
plot2d( [f(x),g(x)], [x,-10,10], [y,-10,10] );

define(f(x), (x^4 + 3...

define(g(x), abs(4*x/...

f(3.2);

Calculate

abs-define-float-plot2d-realroots
plot2d (h(x), [x,-10,10], [y,35,45]);

define ( h(x), abs(2*...

plot2d (h(x), [x,-10,...

float(h(-5/4));

Calculate

abs-define-float-plot2d-realroots
plot2d((g(x)), [x,0,5], [y,-10,10]);

define(f(x), (x^4+3*x...

define(g(x), abs(4*x)...

f(5.5);

Calculate

abs-define-float-plot2d-realroots
plot2d((g(x)), [x,-5,5], [y,-20,20]);

define(f(x), (x^4+3*x...

define(g(x), abs(4*x)...

f(5.5);

Calculate

abs-define-float-plot2d-realroots
plot2d (h(x), [x,-10,10], [y,35,45]);

define ( h(x), abs(2*...

plot2d (h(x), [x,-10,...

float(h(-5/4));

Calculate

[abs,define,float,plot2d,realroots]

Run Example
(%i1)define(f(x), (x^4+3*x^3-2*x^2+x-13)/(5*x^3+7*x^2+5));
                                4      3      2
                               x  + 3 x  - 2 x  + x - 13
(%o1)                  f(x) := -------------------------
                                       3      2
                                    5 x  + 7 x  + 5
(%i2) define(g(x), abs(4*x)/(%e));
                                        - 1
(%o2)                       g(x) := 4 %e    abs(x)
(%i3) f(5.5);
(%o3)                          1.283764453450948
(%i4) g(-%e);
(%o4)                                  4
(%i5) f(3.2);
(%o5)                          0.71878263761849
(%i6) float(g(-3.2));
(%o6)                          4.708856846994462
(%i7) float(r:realroots(f(x)=0));
(%o7)          [x = - 3.823911637067795, x = 1.527592271566391]
(%i8) plot2d((g(x)), [x,0,5], [y,-10,10]);
plotplot2d((g(x)), [x,0,5], [y,-10,10]);
Run Example
define ( h(x), abs(2*x^5-5*x^4-3*x^3-8*x^2+5*x+20) );
                        !   5      4      3      2           !
(%o1)           h(x) := !2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20!
(%i2) plot2d (h(x), [x,-20,20], [y,35,45]);
plotplot2d (h(x), [x,-20,20], [y,35,45]);float(h(-5/4));
(%o3)                            11.201171875
(%i4) s: realroots( h(x)=40 );
                  !   5      4      3      2           !
(%o4)            [!2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20! = 40]
(%i5) 
Run Example
define(f(x), (x^4 + 3*x^3 - 2*x^2 + x - 13)/(5*x^3 + 7*x^2 + 5));
                                4      3      2
                               x  + 3 x  - 2 x  + x - 13
(%o1)                  f(x) := -------------------------
                                       3      2
                                    5 x  + 7 x  + 5
(%i2) define(g(x), abs(4*x/%e));
                                        - 1
(%o2)                       g(x) := 4 %e    abs(x)
(%i3) f(5.5);
(%o3)                          1.283764453450948
(%i4) g(-%e);
(%o4)                                  4
(%i5) f(3.2);
(%o5)                          0.71878263761849
(%i6) float(g(-3.2));
(%o6)                          4.708856846994462
(%i7) r: float(realroots (f(x)=0));
(%o7)          [x = - 3.823911637067795, x = 1.527592271566391]
(%i8) plot2d (g(x), [x, 0,5]);
plotplot2d (g(x), [x, 0,5]);
[abs,acos,asin,atan2,expand,float,linsolve,matrix,pi,rhs,sqrt,time] [abs,acos,asin,expand,float,linsolve,matrix,pi,rhs,sqrt,time] [abs,cos,plot2d,sin] [abs,define,diff,expand,find_root,float,plot2d,realroots] [abs,define,diff,expand,find_root,float,realroots] [abs,define,diff,find_root,float,pi,plot2d] [abs,define,diff,find_root,float,plot2d,realroots] [abs,define,diff,find_root,float,realroots] [abs,define,diff,float,pi,plot2d] [abs,define,diff,float,pi] [abs,define,diff,float] [abs,define,diff] [abs,define,find_root,float,plot2d,realroots] [abs,define,find_root,float,realroots] [abs,define,find_root,plot2d,realroots] [abs,define,find_root,plot2d] [abs,define,float,matrix,plot2d,ratsimp,transpose] [abs,define,float,plot2d,realroots] [abs,define,float,realroots] [abs,define,float] [abs,define,plot2d,realroots] [abs,define,plot2d] [abs,define,realroots] [abs,define] [abs,display2d,factor,false,float,plot2d,sqrt] [abs,exp,float,plot2d] [abs,exp,float] [abs,exp,plot2d] [abs,float,plot2d] [append,float,fpprintprec,makelist,phi,plot2d,product,realroots,sum] [cos,define,diff,expand,find_root,float,log,plot2d] [cos,define,diff,expand,float,log,plot2d] [cos,define,diff,find_root,float,plot2d,sqrt] [cos,define,diff,float,plot2d,sqrt] [define,diff,expand,find_root,float,plot2d,realroots] [define,diff,expand,float,plot2d,realroots] [define,diff,expand,float,plot2d,sin] [define,diff,expand,float,realroots] [define,diff,find_root,float,realroots] [define,diff,float,plot2d,realroots] [define,diff,float,realroots] [define,exp,float,imagpart,integrate,plot2d,ratsimp,subst] [define,expand,float,plot2d,realroots] [define,float,pi,plot2d,realroots] [define,float,pi,plot2d] [define,float,pi,realroots] [define,float,plot2d,realroots] [define,float,plot2d] [define,float,realroots] [define,plot2d,realroots]

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