| Math library functions |
| Function |
Arguments |
Returns |
| abs(x) |
any |
absolute value of 7#7, 8#8; same type |
| abs(x) |
complex |
length of 7#7,
9#9 |
| acos(x) |
any |
10#10 (inverse cosine) |
| acosh(x) |
any |
11#11 (inverse hyperbolic cosine) in radians |
| arg(x) |
complex |
the phase of 7#7 |
| asin(x) |
any |
12#12 (inverse sin) |
| asinh(x) |
any |
13#13 (inverse hyperbolic sin) in radians |
| atan(x) |
any |
14#14 (inverse tangent) |
| atan2(y,x) |
int or real |
15#15 (inverse tangent) |
| atanh(x) |
any |
16#16 (inverse hyperbolic tangent) in radians |
| besj0(x) |
int or real |
17#17 Bessel function of 7#7, in radians |
| besj1(x) |
int or real |
18#18 Bessel function of 7#7, in radians |
| besy0(x) |
int or real |
19#19 Bessel function of 7#7, in radians |
| besy1(x) |
int or real |
20#20 Bessel function of 7#7, in radians |
| ceil(x) |
any |
21#21, smallest integer not less than 7#7
(real part) |
| cos(x) |
any |
22#22, cosine of 7#7 |
| cosh(x) |
any |
23#23, hyperbolic cosine of 7#7 in radians |
| erf(x) |
any |
24#24, error function of real(7#7) |
| erfc(x) |
any |
25#25, 1.0 - error function of real(7#7) |
| exp(x) |
any |
26#26, exponential function of 7#7 |
| floor(x) |
any |
27#27, largest integer not greater
than 7#7 (real part) |
| gamma(x) |
any |
28#28, gamma function of real(7#7) |
| ibeta(p,q,x) |
any |
29#29, ibeta function of real(30#30,31#31,7#7) |
| inverf(x) |
any |
inverse error function of real(7#7) |
| igamma(a,x) |
any |
32#32, igamma function of real(33#33,7#7) |
| imag(x) |
complex |
imaginary part of 7#7 as a real number |
| invnorm(x) |
any |
inverse normal distribution function of real(7#7) |
| int(x) |
real |
integer part of 7#7, truncated toward zero |
| lambertw(x) |
real |
Lambert W function |
| lgamma(x) |
any |
34#34, lgamma function of real(7#7) |
| log(x) |
any |
35#35, natural logarithm (base 36#36) of 7#7 |
| log10(x) |
any |
37#37, logarithm (base 38#38) of 7#7 |
| norm(x) |
any |
normal distribution (Gaussian) function of real(7#7) |
| rand(x) |
any |
39#39, pseudo random number generator |
| real(x) |
any |
real part of 7#7 |
| sgn(x) |
any |
1 if 40#40, -1 if 41#41, 0 if 42#42. imag(7#7) ignored |
| sin(x) |
any |
43#43, sine of 7#7 |
| sinh(x) |
any |
44#44, hyperbolic sine of 7#7 in radians |
| sqrt(x) |
any |
45#45, square root of 7#7 |
| tan(x) |
any |
46#46, tangent of 7#7 |
| tanh(x) |
any |
47#47, hyperbolic tangent of 7#7 in radians |
