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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-optimize

num:35+7*p+6*v-13*f*p...

optimize(%);

Calculate

num

sol_num : [[0, 4, 6],...

solnum;

Calculate

num-partfrac-subst-taylor

num : 1 - z^-1 - 4*z^...

den : 1 - 11/4*z^-1 +...

num:subst(1/x, z, num);

Calculate

num-plot2d-sin
plot2d(aInitialValue_num + 0.5 + 1 + 0.4 * 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-sum

num : sum(y[i, j] * t...

Calculate

num-solve-sqrt

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

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

Calculate

num-sqrt

expr:1/[1+sqrt(10)+sq...

num(expr);

Calculate

num-plot2d-sin
plot2d(aInitialValue_num + 0.4 * (0.5 + 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-plot2d
plot2d(aCurrentTime_num^4,[aCurrentTime_num,0,aDuration_num]);

aInitialValue_num: 0.0;

aFinalValue_num: 1.0;

aDuration_num: 1.0;

Calculate

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

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate