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The Maxima on-line user's manual

Algebra Calculator

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Abs

Function: abs (<expr>) Returns the absolute value <expr>. If <expr> is complex, returns the complex modulus of <expr>.

solve(-18*x^2-50=600*x)[1];
solve(-18*x^2-50=600*x)[2];
xvals: map(rhs,solve(-18*x^2-50=600*x));
yvals: map(lhs,solve(-18*x^2-50=600*x));
yvals[1] - xvals[1];
for i:1 while i<=(length(realroots(-18*x^2-50=600*x))) do (mye:yvals[i] - xvals[i],a:if(is(ratsimp(abs(mye-0)<= 0))) then return (100));
a;

There are also some inexact matches for abs. Try ?? abs to see them.

(%o1)                                true
(%i2) 

Related Examples

abs-diff-numer

x: (h1-h2)/s;

pochfun1: diff (x, h1);

pochfun2: diff (x, h2);

Calculate

abs-define-diff-find_root-float-pi-plot2d
plot2d(hp(x), [x,-2,2], [y,-2,2]);

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

define(hp(x), diff(h(...

float(hp(-5/4));

Calculate

abs-matrix

x : matrix([1,2,3],[3...

abs(x);

Calculate

abs-addrow-cos-diff-do-matrix-numer

f(x):=cos(x^2-3*x);

d:diff(f(x),x);

a:1;

Calculate

abs-define-float

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

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

float(g(-3.2));

Calculate

abs

x=1.5+1.0*(abs(10/[1,...

Calculate

abs-define-float-realroots

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

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

f(3.2);

Calculate

abs-define-diff-expand-find_root-float-realroots

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

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

f(3.2);

Calculate

abs-gcd-solve

kgv(x,y):=abs(x*y)/gc...

g(x,y):=y=k*x+d;

g1:g(0,10);

Calculate

abs-cos-diff-integrate-plot2d-sin
plot2d ([abs(cos(x)),cos(x)^2,/*sin(x)^2,*/abs(cos(x))-cos(x)^2], [x,0,2*%pi]);

plot2d ([abs(cos(x)),...

i:A*sin(50*2*%pi*t);

v:diff(i,t)*L;

Calculate