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The Maxima on-line user's manual

Algebra Calculator

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Num

Function: num (<expr>) Returns the numerator of <expr> if it is a ratio. If <expr> is not a ratio, <expr> is returned.

aInitialValue_num: 1.0;
aFinalValue_num: 1.0;
aDuration_num: 4.0;
lMaxNormalizedDeviation_num: 0.14;
slow: 1.5;
plot2d(aInitialValue_num + aCurrentTime_num * atan2(aFinalValue_num - aInitialValue_num, aDuration_num) + lMaxNormalizedDeviation_num * 0.5 * (1 - cos((aCurrentTime_num / aDuration_num)^slow * 2 * %pi)),[aCurrentTime_num,0,aDuration_num]);

num evaluates its argument.

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

(%o1)                                true
(%i2) 

Related Examples

num-plot2d
plot2d(-(aCurrentTime_num - aDuration_num/2) ^ 2 + lSignedAmplitude_num,[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate

num-rat-sum

N: 2;

xx: num(rat(sum(a[2*i...

yy: sum(a[2*ii]/2^(2*...

Calculate

num

a : 3 / 4;

num (a);

Calculate

num-plot2d-sin
plot2d(aInitialValue_num + 0.2 * 0.5 * (1 + sin(aCurrentTime_num / aDuration_num * %pi*2 - %pi/2)),[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate

num-solve-sqrt

f(x):=sqrt(600**2+(15...

solve(f(x),x),num;

Calculate

num-rat-resultant-sqrt-subst

eq1: (x-x1)^2+(y-y1)^...

eq2: (x-x2)^2+(y-y2)^...

eq3: rat(eq1-eq2,y,x);

Calculate

num

num(2/3);

Calculate

num

a:5;

a;

(a+3) *b;

Calculate

num-rat-rhs-solve

mbc: (yc-yb)/(xc-xb);

mca: (ya-yc)/(xa-xc);

eq1: x+mbc*y-xa-mbc*ya;

Calculate

num

num(%pi*r^2);

Calculate