chore: update examples

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---

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/dgemv/examples/index.js

@@ -32,5 +32,8 @@ var A = discreteUniform( M*N, 0, 255, opts );
 var x = discreteUniform( N, 0, 255, opts );
 var y = discreteUniform( M, 0, 255, opts );
 
-dgemv( 'row-major', 'no-transpose', M, N, 1.0, A, N, x, -1, 1.0, y, -1 );
+dgemv( 'row-major', 'no-transpose', M, N, 1.0, A, N, x, 1, 1.0, y, 1 );
+console.log( y );
+
+dgemv.ndarray( 'no-transpose', M, N, 1.0, A, N, 1, 0, x, 1, 0, 1.0, y, 1, 0 );
 console.log( y );