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The Maxima on-line user's manual

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Cabs

Function: cabs (<expr>) Returns the complex absolute value (the complex modulus) of <expr>.

pi:3.1415926535897;
P:13000;
P1:P/3;
Q1:sqrt((P1*1.3)^2-P1^2)*%e^(%i*-pi*0.5);
U1:230*%e^(%i*pi*0.5);
IC1:Q1/U1;
X1:U1/IC1;
C1:1/(%i*2*pi*50*X1);
cabs(C1);

(%o1)                                true
(%i2) 

Related Examples

cabs

z1: 3+4*%i;

z2: 2-%i;

cabs(z1+z2);

Calculate

cabs-carg-ev-load-log-numer-plot2d
plot2d(20 * log(cabs(T( %i * 2 * %pi * 10^x))) / log(10), [x,1,6]);

V_in:24;

V_out:150;

I_load: 0.1;

Calculate

cabs

result:-1+2*%i;

cabs (result^2+2*resu...

Calculate

cabs-exp-load-plot2d
plot2d([sdomain(H(f_to_w(%i*f))),sdomain(Hz(exp((%pi*%i*f)/48000)))], [f,10,24000], [logx, true]);

load("log10");

H(s):= 1/(s/f_to_w(10...

H(z):= 0.1*z^-1 + 0.5...

Calculate

cabs-numer-pi-ratsimp-realpart

pi:3.1415926535897932...

Z:45+%i*18;

phe:360*70*0.07;

Calculate

cabs-load-plot2d
plot2d([sdomain(H(f_to_w(%i*f)))], [f,10,24000], [logx, true]);

load("log10");

H(s):= 1/(s/f_to_w(10...

H(z):= 0.1*z^-1 + 0.5...

Calculate

cabs-carg-fpprintprec-load-makelist-plot2d-sin
plot2d([discrete, t, S]);

load (fft);

sample : 64;

fpprintprec : 4;

Calculate

cabs-first-kill-load-plot2d-second-solve
plot2d(dB(cabs(H(2*%pi*%i*f))),[f,10,20000],[logx,true]);

kill(all);

load("log10");

dB(x):= 20*log10(x);

Calculate

cabs-exp-load-plot2d
plot2d([sdomain(H(f_to_w(%i*f))),sdomain(Hz(exp((%pi*%i*f)/48000)))], [f,10,24000], [logx, true]);

load("log10");

H(s):= 1/(s/f_to_w(10...

H(z):= 0.1*z^-1 + 0.5...

Calculate

cabs-carg-imagpart-numer-pi-ratsimp

pi:3.1415926535897932...

Z:45+%i*18;

phe:2*pi*70*0.070+car...

Calculate