{{alias}}( N, za, zx, strideX ) Scales a double-precision complex floating-point vector by a double- precision complex floating-point constant. The `N` and stride parameters determine how values from `zx` are scaled by `za`. Indexing is relative to the first index. To introduce an offset, use typed array views. If `N` or `strideX` is less than or equal to `0`, the function returns `zx` unchanged. Parameters ---------- N: integer Number of indexed elements. za: Complex128 Complex constant. zx: Complex128Array Input array. strideX: integer Index increment for `zx`. Returns ------- zx: Complex128Array Input array. Examples -------- // Standard usage: > var zx = new {{alias:@stdlib/array/complex128}}( [ 1.0, 2.0, 3.0, 4.0 ] ); > var za = new {{alias:@stdlib/complex/float64/ctor}}( 1.0, 2.0 ); > {{alias}}( 2, za, zx, 1 ); > var z = zx.get( 0 ); > var re = {{alias:@stdlib/complex/float64/real}}( z ) -3.0 > var im = {{alias:@stdlib/complex/float64/imag}}( z ) 4.0 // Advanced indexing: > zx = new {{alias:@stdlib/array/complex128}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); > za = new {{alias:@stdlib/complex/float64/ctor}}( 1.0, 1.0 ); > {{alias}}( 2, za, zx, 2 ); > z = zx.get( 0 ); > re = {{alias:@stdlib/complex/float64/real}}( z ) -1.0 > im = {{alias:@stdlib/complex/float64/imag}}( z ) 3.0 // Using typed array views: > var zx0 = new {{alias:@stdlib/array/complex128}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); > var zx1 = new {{alias:@stdlib/array/complex128}}( zx0.buffer, zx0.BYTES_PER_ELEMENT*1 ); > var za = new {{alias:@stdlib/complex/float64/ctor}}( 2.0, 2.0 ); > {{alias}}( 2, za, zx1, 1 ); > z = zx0.get( 1 ); > re = {{alias:@stdlib/complex/float64/real}}( z ) -2.0 > im = {{alias:@stdlib/complex/float64/imag}}( z ) 14.0 {{alias}}.ndarray( N, za, zx, strideX, offsetX ) Scales a double-precision complex floating-point vector by a double- precision complex floating-point constant using alternative indexing semantics. While typed array views mandate a view offset based on the underlying buffer, the offset parameter supports indexing semantics based on a starting index. Parameters ---------- N: integer Number of indexed elements. za: Complex128 Complex constant. zx: Complex128Array Input array. strideX: integer Index increment for `zx`. offsetX: integer Starting index for `zx`. Returns ------- zx: Complex128Array Input array. Examples -------- // Standard usage: > var zx = new {{alias:@stdlib/array/complex128}}( [ 1.0, 2.0, 3.0, 4.0 ] ); > var za = new {{alias:@stdlib/complex/float64/ctor}}( 2.0, 2.0 ); > {{alias}}.ndarray( 2, za, zx, 1, 0 ); > var z = zx.get( 0 ); > var re = {{alias:@stdlib/complex/float64/real}}( z ) -2.0 > var im = {{alias:@stdlib/complex/float64/imag}}( z ) 6.0 // Advanced indexing: > zx = new {{alias:@stdlib/array/complex128}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] ); > za = new {{alias:@stdlib/complex/float64/ctor}}( 1.0, 2.0 ); > {{alias}}.ndarray( 2, za, zx, 1, 2 ); > z = zx.get( 2 ); > re = {{alias:@stdlib/complex/float64/real}}( z ) -7.0 > im = {{alias:@stdlib/complex/float64/imag}}( z ) 16.0 See Also --------