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Informations about the package complex
PHP Class Library for working with Complex numbers
The library currently provides the following operations:
- division by
- division into
together with functions for
- theta (polar theta angle)
- rho (polar distance/radius)
- inverse (1 / complex)
- cos (cosine)
- acos (inverse cosine)
- cosh (hyperbolic cosine)
- acosh (inverse hyperbolic cosine)
- sin (sine)
- asin (inverse sine)
- sinh (hyperbolic sine)
- asinh (inverse hyperbolic sine)
- sec (secant)
- asec (inverse secant)
- sech (hyperbolic secant)
- asech (inverse hyperbolic secant)
- csc (cosecant)
- acsc (inverse cosecant)
- csch (hyperbolic secant)
- acsch (inverse hyperbolic secant)
- tan (tangent)
- atan (inverse tangent)
- tanh (hyperbolic tangent)
- atanh (inverse hyperbolic tangent)
- cot (cotangent)
- acot (inverse cotangent)
- coth (hyperbolic cotangent)
- acoth (inverse hyperbolic cotangent)
- sqrt (square root)
- exp (exponential)
- ln (natural log)
- log10 (base-10 log)
- log2 (base-2 log)
- pow (raised to the power of a real number)
Important BC Note
If you've previously been using procedural calls to functions and operations using this library, then from version 3.0 you should use MarkBaker/PHPComplexFunctions instead (available on packagist as markbaker/complex-functions).
You'll need to replace
composer.json file with the new library, but otherwise there should be no difference in the namespacing, or in the way that you have called the Complex functions in the past, so no actual code changes are required.
You should not reference this library (
markbaker/complex) in your
composer.json, composer wil take care of that for you.
To create a new complex object, you can provide either the real, imaginary and suffix parts as individual values, or as an array of values passed passed to the constructor; or a string representing the value. e.g
or as an array
or as a string
Complex objects are immutable: whenever you call a method or pass a complex value to a function that returns a complex value, a new Complex object will be returned, and the original will remain unchanged. This also allows you to chain multiple methods as you would for a fluent interface (as long as they are methods that will return a Complex result).
Performing Mathematical Operations
To perform mathematical operations with Complex values, you can call the appropriate method against a complex value, passing other values as arguments
or use the static Operation methods
If you want to perform the same operation against multiple values (e.g. to add three or more complex numbers), then you can pass multiple arguments to any of the operations.
You can pass these arguments as Complex objects, or as an array, or string that will parse to a complex object.
When calling any of the available functions for a complex value, you can either call the relevant method for the Complex object
or use the static Functions methods
As with operations, you can pass these arguments as Complex objects, or as an array or string that will parse to a complex object.
In the case of the
pow() function (the only implemented function that requires an additional argument) you need to pass both arguments when calling the function
or pass the additional argument when calling the method