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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.

erfi(0.487339717);

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

(%o1)                                true
(%i2) 

Related Examples

erfi-exp-plot2d
plot2d([1933.48*exp(-86200*x*x)*(10^21*1.772*erfi((86200*x)^0.5)/1856.8+10^16)],[x,0,0.000003]);

plot2d([1933.48*exp(-...

Calculate

erfi

erfi(-0.4124236);

Calculate

erfi-pi

pi:3.141592654;

erfi(5.0);

Calculate

erfi-exp-plot2d
plot2d([((9.34345E-34)*erfi(0.556776*t+8.98027)-(3.035996828857775E+19))*exp(-(0.31*t+10)*t)],[t,0,0.5]);

plot2d([((9.34345E-34...

Calculate

erfi-plot2d
plot2d([erfi(x), -%i*erf(%i*x)], [x,-2,2]);

plot2d([erfi(x), -%i*...

Calculate

erfi

erfi(1.253314137);

Calculate

erfi

erfi(0.000191448);

Calculate

erfi-exp-plot2d
plot2d([(0.0813932*erfi(1.26491*x+2.81443)-48.6615953)*exp(-(1.6*x+7.12)*x)],[x,0,0.5]);

plot2d([(0.0813932*er...

plot2d([37.5*exp(-8.7...

Calculate

erfi-exp-plot2d
plot2d([((erfi(x)))*exp(-x)],[x,0,5]);

plot2d([((erfi(x)))*e...

Calculate

erfi

erfi(0.0189);

Calculate