{{alias}}( order, uplo, N, α, x, sx, A, lda ) Performs the symmetric rank 1 operation `A = α*x*x^T + A` where `α` is a scalar, `x` is an `N` element vector, and `A` is an `N` by `N` symmetric matrix. Indexing is relative to the first index. To introduce an offset, use typed array views. If `N` is equal to `0` or `α` is equal to `0`, the function returns `A` unchanged. Parameters ---------- order: string Row-major (C-style) or column-major (Fortran-style) order. Must be either 'row-major' or 'column-major'. uplo: string Specifies whether to reference the upper or lower triangular part of `A`. Must be either 'upper' or 'lower'. N: integer Number of elements along each dimension of `A`. α: number Scalar constant. x: Float32Array Input vector. sx: integer Index increment for `x`. A: Float32Array Input matrix. lda: integer Stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`). Returns ------- A: Float32Array Input matrix. Examples -------- > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, 1.0 ] ); > var A = new {{alias:@stdlib/array/float32}}( [ 1.0, 2.0, 0.0, 2.0 ] ); > {{alias}}( 'row-major', 'upper', 2, 1.0, x, 1, A, 2 ) [ 2.0, 3.0, 0.0, 3.0 ] {{alias}}.ndarray( uplo, N, α, x, sx, ox, A, sa1, sa2, oa ) Performs the symmetric rank 1 operation `A = α*x*x^T + A`, using alternative indexing semantics and where `α` is a scalar, `x` is an `N` element vector, and `A` is an `N` by `N` symmetric matrix. While typed array views mandate a view offset based on the underlying buffer, the offset parameters support indexing semantics based on starting indices. Parameters ---------- uplo: string Specifies whether to reference the upper or lower triangular part of `A`. Must be either 'upper' or 'lower'. N: integer Number of elements along each dimension of `A`. α: number Scalar constant. x: Float32Array Input vector. sx: integer Index increment for `x`. ox: integer Starting index for `x`. A: Float32Array Input matrix. sa1: integer Stride of the first dimension of `A`. sa2: integer Stride of the second dimension of `A`. oa: integer Starting index for `A`. Returns ------- A: Float32Array Input matrix. Examples -------- > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, 1.0 ] ); > var A = new {{alias:@stdlib/array/float32}}( [ 1.0, 2.0, 0.0, 2.0 ] ); > {{alias}}.ndarray( 'upper', 2, 1.0, x, 1, 0, A, 2, 1, 0 ) [ 2.0, 3.0, 0.0, 3.0 ] See Also --------