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The Maxima on-line user's manual

Algebra Calculator

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Infeval

-- Option variable: infeval Enables "infinite evaluation" mode. ev repeatedly evaluates an expression until it stops changing. To prevent a variable, say X, from being evaluated away in this mode, simply include X=X as an argument to ev. Of course expressions such as ev (X, X=X+1, infeval) will generate an infinite loop.

(%o1)                                true
(%i2) 

Related Examples

infeval-true

infeval:true;

f(x):=ev(x+a);

Calculate

infeval-true

infeval:true;

a:b;

b:c;

Calculate

infeval-true

infeval:true;

a:b;

b:c;

Calculate

infeval-solve

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

infeval-true

infeval:true;

f(x):=ev(x+a);

a:b;

Calculate

infeval-solve

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

infeval-solve

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

infeval-solve

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

infeval-solve

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate