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The Maxima on-line user's manual

Algebra Calculator

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Erfi

Function: erfi (<z>) The Imaginary Error Function.

plot2d([((0813932*erfi(1.26491*x+2.81443))-48.6615953)*exp(-(1.6*x+7.12)*x)],[x,0,0.5]);

     erfi(z) = -%i*erf(%i*z)

(%o1)                                true
(%i2) 

Related Examples

erfi-pi

pi:3.141592654;

erfi(6.18);

Calculate

erfi-pi

pi:3.141592654;

erfi(10);

Calculate

erfi

erfi(0.450555213);

Calculate

erfi

erfi(0.4);

Calculate

erfi-exp-plot2d
plot2d([1933.48*exp(-4.3*x*x)*(10^21*1.772*erfi((4.3*x)^0.5)/4.145+10^16)],[x,0,0.0003]);

plot2d([1933.48*exp(-...

Calculate

erfi

erfi(5.001);

Calculate

erfi-exp-plot2d
plot2d([(224.2*erfi(1.26491*x)-134019)*exp(-1.6*x^2)],[x,2.225,2.725]);

plot2d([(224.2*erfi(1...

Calculate

erfi

erfi(0.994987437);

Calculate

erfi

erfi(10+5*%i);

Calculate

erfi

erfi(135678987654567);

Calculate