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| === ACos === === ACosH === === ASin === === ASinH === === ATan === === ATanH === === Cos === === CosH === === Exp === === IsClose === === IsFinite === === IsInf === === IsNaN === === Log === === Log10 === === Phase === === Polar === === Rect === === Sin === === SinH === === Sqrt === === Tan === === TanH === |
||'''Function'''||'''Meaning''' ||'''Example''' || ||`acos` ||arc cosine ||`acos(a)` || ||`acosh` ||hyperbolic arc cosine ||`acosh(a)` || ||`asin` ||arc sine ||`asin(a)` || ||`asinh` ||hyperbolic arch sine ||`asinh(a)` || ||`atan` ||arc tangent ||`atan(a)` || ||`atanh` ||hyperbolic arc tangent ||`atanh(a)` || ||`cos` ||cosine ||`cos(a)` || ||`cosh` ||hyperbolic cosine ||`cosh(a)` || ||`exp` ||''e'' to the power of a complex number ||`exp(a)` || ||`isclose` ||tests if two complex numbers are close ||`isclose(a, b)`|| ||`isfinite` ||tests if all parts of a complex number are finite ||`isfinite(a)` || ||`isinf` ||tests if any part of a complex number is infinite ||`isinf(a)` || ||`isnan` ||tests if any part of a complex number is NaN ||`isnan(a)` || ||`log` ||logarithm (natural logarithm if base unspecified) ||`log(a, base)` || ||`log10` ||base-10 logarithm ||`log10(a)` || ||`phase` ||phase of a complex number ||`phase(a)` || ||`polar` ||translate a complex number into polar coordinates `(r, phi, )` ||`polar(a)` || ||`rect` ||translate polar coordinates `r` and `phi` into a complex number||`rect(r, phi)` || ||`sin` ||sine ||`sin(a)` || ||`sinh` ||hyperbolic sine ||`sinh(a)` || ||`sqrt` ||square root ||`sqrt(a)` || ||`tan` ||tangent ||`tan(a)` || ||`tanh` ||hyperbolic tangent ||`tanh(a)` || |
Python CMath
cmath is a module that support math with complex numbers.
Contents
Functions
Function |
Meaning |
Example |
acos |
arc cosine |
acos(a) |
acosh |
hyperbolic arc cosine |
acosh(a) |
asin |
arc sine |
asin(a) |
asinh |
hyperbolic arch sine |
asinh(a) |
atan |
arc tangent |
atan(a) |
atanh |
hyperbolic arc tangent |
atanh(a) |
cos |
cosine |
cos(a) |
cosh |
hyperbolic cosine |
cosh(a) |
exp |
e to the power of a complex number |
exp(a) |
isclose |
tests if two complex numbers are close |
isclose(a, b) |
isfinite |
tests if all parts of a complex number are finite |
isfinite(a) |
isinf |
tests if any part of a complex number is infinite |
isinf(a) |
isnan |
tests if any part of a complex number is NaN |
isnan(a) |
log |
logarithm (natural logarithm if base unspecified) |
log(a, base) |
log10 |
base-10 logarithm |
log10(a) |
phase |
phase of a complex number |
phase(a) |
polar |
translate a complex number into polar coordinates (r, phi, ) |
polar(a) |
rect |
translate polar coordinates r and phi into a complex number |
rect(r, phi) |
sin |
sine |
sin(a) |
sinh |
hyperbolic sine |
sinh(a) |
sqrt |
square root |
sqrt(a) |
tan |
tangent |
tan(a) |
tanh |
hyperbolic tangent |
tanh(a) |
Constants
Name |
Value |
cmath.pi |
π as a float |
cmath.e |
e as a float |
cmath.tau |
τ as a float |
cmath.inf |
floating-point positive infinity; same as float('inf') |
cmath.infj |
complex(0.0, float('inf')) |
cmath.nan |
floating-point not a number; same as float('nan') |
cmath.nanj |
complex(0.0, float('nan')) |
See also
Python cmath module documentation