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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 + aFinalValue_num * (aCurrentTime_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-partfrac

num : 1-1*z-4*z^2+4*z^3;

den : 1-11/4*z+13/8*z...

partfrac(num/den, z);

Calculate

num-rat-rhs-solve

eqa: (x-xa)^2+(y-ya)^...

eqb: (x-xb)^2+(y-yb)^...

eqc: (x-xc)^2+(y-yc)^...

Calculate

num-plot2d-sin
plot2d(aInitialValue_num + sin(%pi / aCurrentTime_num),[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.4;

aDuration_num: 4.0;

Calculate

num

num:((2*x+4)*(2*x-(9/...

Calculate

num-radcan-ratsimp

num : x^8*y^9;

den : y^(-4)*(x*z)^3;

a : (num / den)^(1/4);

Calculate

num-radcan-ratsimp

num : x^8*y^9;

den : y^(-4)*(x*z)^3;

a : (num / den)^(1/4);

Calculate

num-plot2d-sin
plot2d(aInitialValue_num + sin(%pi / aCurrentTime_num),[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.4;

aDuration_num: 4.0;

Calculate

num-plot2d
plot2d(aInitialValue_num + (aFinalValue_num - aInitialValue_num) * 2 / (aDuration_num * aDuration_num) * aDuration_num * aCurrentTime_num - (aFinalValue_num - aInitialValue_num) * 2 / (aDuration_num * aDuration_num) * aCurrentTime_num * aCurrentTime_num / 2,[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate

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

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate

num-rat-rhs-solve-subst

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

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

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

Calculate