simple-squiggle

A restricted subset of Squiggle
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im.md (1049B)


      1 <!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
      2 
      3 # Function im
      4 
      5 Get the imaginary part of a complex number.
      6 For a complex number `a + bi`, the function returns `b`.
      7 
      8 For matrices, the function is evaluated element wise.
      9 
     10 
     11 ## Syntax
     12 
     13 ```js
     14 math.im(x)
     15 ```
     16 
     17 ### Parameters
     18 
     19 Parameter | Type | Description
     20 --------- | ---- | -----------
     21 `x` | number &#124; BigNumber &#124; Complex &#124; Array &#124; Matrix |  A complex number or array with complex numbers
     22 
     23 ### Returns
     24 
     25 Type | Description
     26 ---- | -----------
     27 number &#124; BigNumber &#124; Array &#124; Matrix | The imaginary part of x
     28 
     29 
     30 ### Throws
     31 
     32 Type | Description
     33 ---- | -----------
     34 
     35 
     36 ## Examples
     37 
     38 ```js
     39 const a = math.complex(2, 3)
     40 math.re(a)                     // returns number 2
     41 math.im(a)                     // returns number 3
     42 
     43 math.re(math.complex('-5.2i')) // returns number -5.2
     44 math.re(math.complex(2.4))     // returns number 0
     45 ```
     46 
     47 
     48 ## See also
     49 
     50 [re](re.md),
     51 [conj](conj.md),
     52 [abs](abs.md),
     53 [arg](arg.md)