MathLiveComplex number standard form
Writes a complex number as a real part plus an imaginary part, where i is the imaginary unit with i squared equal to minus one. It is the basic way to represent and manipulate complex numbers.
z = x + \mathrm{i} yWhat the symbols mean
| complex number | |
| real part of z, a real number | |
| imaginary part of z, a real number | |
| imaginary unit, satisfying \mathrm{i}^2 = -1 |
About this formula
- FieldMathematics
- TopicComplex numbers
- LevelHigh school
- Also calledcomplex number form, a + bi, rectangular form of complex number, cartesian form complex number, real and imaginary parts, x + iy
- SourceWikidata Q11567
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