diff --git a/lib/node_modules/@stdlib/blas/base/ssymv/lib/ndarray.js b/lib/node_modules/@stdlib/blas/base/ssymv/lib/ndarray.js
index ff55bce5210a..905b41d6e3bf 100644
--- a/lib/node_modules/@stdlib/blas/base/ssymv/lib/ndarray.js
+++ b/lib/node_modules/@stdlib/blas/base/ssymv/lib/ndarray.js
@@ -20,7 +20,7 @@
 
 // MODULES //
 
-var isMatrixTriangle = require( '@stdlib/blas/base/assert/is-matrix-triangle' );
+var resolveStr = require( '@stdlib/blas/base/matrix-triangle-resolve-str' );
 var format = require( '@stdlib/string/format' );
 var base = require( './base.js' );
 
@@ -30,7 +30,7 @@ var base = require( './base.js' );
 /**
 * Performs the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors, and `A` is an `N` by `N` symmetric matrix.
 *
-* @param {string} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
+* @param {(integer|string)} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
 * @param {NonNegativeInteger} N - number of elements along each dimension of `A`
 * @param {number} alpha - scalar constant
 * @param {Float32Array} A - input matrix
@@ -63,7 +63,10 @@ var base = require( './base.js' );
 * // y => <Float32Array>[ 10.0, 12.0, 14.0 ]
 */
 function ssymv( uplo, N, alpha, A, strideA1, strideA2, offsetA, x, strideX, offsetX, beta, y, strideY, offsetY ) { // eslint-disable-line max-params, max-len
-	if ( !isMatrixTriangle( uplo ) ) {
+	var u;
+
+	u = resolveStr( uplo );
+	if ( u === null ) {
 		throw new TypeError( format( 'invalid argument. First argument must specify whether to reference the lower or upper triangular matrix. Value: `%s`.', uplo ) );
 	}
 	if ( N < 0 ) {
@@ -84,7 +87,7 @@ function ssymv( uplo, N, alpha, A, strideA1, strideA2, offsetA, x, strideX, offs
 	if ( N === 0 || ( alpha === 0.0 && beta === 1.0 ) ) {
 		return y;
 	}
-	return base( uplo, N, alpha, A, strideA1, strideA2, offsetA, x, strideX, offsetX, beta, y, strideY, offsetY ); // eslint-disable-line max-len
+	return base( u, N, alpha, A, strideA1, strideA2, offsetA, x, strideX, offsetX, beta, y, strideY, offsetY ); // eslint-disable-line max-len
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/base/ssymv/lib/ssymv.js b/lib/node_modules/@stdlib/blas/base/ssymv/lib/ssymv.js
index e1e3d39938c4..66eff3554196 100644
--- a/lib/node_modules/@stdlib/blas/base/ssymv/lib/ssymv.js
+++ b/lib/node_modules/@stdlib/blas/base/ssymv/lib/ssymv.js
@@ -23,7 +23,7 @@
 var max = require( '@stdlib/math/base/special/max' );
 var stride2offset = require( '@stdlib/strided/base/stride2offset' );
 var isLayout = require( '@stdlib/blas/base/assert/is-layout' );
-var isMatrixTriangle = require( '@stdlib/blas/base/assert/is-matrix-triangle' );
+var resolveStr = require( '@stdlib/blas/base/matrix-triangle-resolve-str' );
 var format = require( '@stdlib/string/format' );
 var base = require( './base.js' );
 
@@ -34,7 +34,7 @@ var base = require( './base.js' );
 * Performs the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors, and `A` is an `N` by `N` symmetric matrix.
 *
 * @param {string} order - storage layout
-* @param {string} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
+* @param {(integer|string)} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
 * @param {NonNegativeInteger} N - number of elements along each dimension of `A`
 * @param {number} alpha - scalar constant
 * @param {Float32Array} A - input matrix
@@ -67,11 +67,13 @@ function ssymv( order, uplo, N, alpha, A, LDA, x, strideX, beta, y, strideY ) {
 	var sa2;
 	var ox;
 	var oy;
+	var u;
 
 	if ( !isLayout( order ) ) {
 		throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
 	}
-	if ( !isMatrixTriangle( uplo ) ) {
+	u = resolveStr( uplo );
+	if ( u === null ) {
 		throw new TypeError( format( 'invalid argument. Second argument must specify whether to reference the lower or upper triangular matrix. Value: `%s`.', uplo ) );
 	}
 	if ( N < 0 ) {
@@ -98,7 +100,7 @@ function ssymv( order, uplo, N, alpha, A, LDA, x, strideX, beta, y, strideY ) {
 		sa1 = LDA;
 		sa2 = 1;
 	}
-	return base( uplo, N, alpha, A, sa1, sa2, 0, x, strideX, ox, beta, y, strideY, oy ); // eslint-disable-line max-len
+	return base( u, N, alpha, A, sa1, sa2, 0, x, strideX, ox, beta, y, strideY, oy ); // eslint-disable-line max-len
 }