chore: add examples in real.txt

Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/dtbsv/docs/repl.txt

@@ -51,6 +51,7 @@
 
     Examples
     --------
+    // Standard usage:
     > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0 ] );
     > var A = new {{alias:@stdlib/array/float64}}( [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 ] );
     > var order = 'row-major';
@@ -59,6 +60,25 @@
     > {{alias}}( order, uplo, trans, 'unit', 3, 1, A, 2, x, 1 )
     <Float64Array>[ 8.0, -7.0, 3.0 ]
 
+    // Advanced indexing:
+    > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, 0.0, 2.0, 0.0, 3.0 ] );
+    > var A = new {{alias:@stdlib/array/float64}}( [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+    > var order = 'row-major';
+    > var uplo = 'upper';
+    > var trans = 'no-transpose';
+    > {{alias}}( order, uplo, trans, 'unit', 3, 1, A, 2, x, 2 )
+    <Float64Array>[ 8.0, 0.0, -7.0, 0.0, 3.0 ]
+
+    // Using typed array views:
+    > var x0 = new {{alias:@stdlib/array/float64}}( [ 0.0, 1.0, 2.0, 3.0 ] );
+    > var A = new {{alias:@stdlib/array/float64}}( [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+    > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
+    > var order = 'row-major';
+    > var uplo = 'upper';
+    > var trans = 'no-transpose';
+    > {{alias}}( order, uplo, trans, 'unit', 3, 1, A, 2, x, 1 )
+    <Float64Array>[ 0.0, 8.0, -7.0, 3.0 ]
+
 
 {{alias}}.ndarray( uplo, trans, diag, N, K, A, sa1, sa2, oa, x, sx, ox )
     Solves one of the systems of equations `A*x = b` or `A^T*x = b`, using