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The Maxima on-line user's manual

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Atan2

Function: atan2 (<y>, <x>) - yields the value of atan(<y>/<x>) in the interval -%pi to %pi.

bZ12:1000;
aZ12:9.81*%PI/180;
g:bZ12=sqrt((rZ12^2)+(iZ12^2));
g1:aZ12=atan2(iZ12,rZ12);
solve([g,g1],[rZ12,iZ12]),numer;

(%o1)                                true
(%i2) 

Related Examples

atan2-plot2d
plot2d(atan2(x,100),[x,-5,5]);

plot2d(atan2(x,100),[...

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atan2

%atan2(2,3);

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atan2

f = atan2(3,2);

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atan2

F= atan2(2,3);

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atan2

atan2 (3,2);

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atan2

atan2(5,-5);

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atan2-cos-num-pi-plot2d
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]);

aInitialValue_num: 1.0;

aFinalValue_num: 1.0;

aDuration_num: 4.0;

Calculate

atan2-plot3d
plot3d(atan2(4*x^3*y-4*x*y^3,x^4-6*x^2*y^2+y^4),[x,-1,1],[y,-1,1],[grid,500,500]);

plot3d(atan2(4*x^3*y-...

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atan2-cos-sin

-2 . atan2(1, sin(t+d...

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atan2-float

f : atan2(2,3);

float (f);

Calculate