feat: update blas/ext TypeScript declarations

lib/node_modules/@stdlib/blas/ext/docs/types/index.d.ts

@@ -30,6 +30,7 @@ import indexOf = require( '@stdlib/blas/ext/index-of' );
 import join = require( '@stdlib/blas/ext/join' );
 import lastIndexOf = require( '@stdlib/blas/ext/last-index-of' );
 import linspace = require( '@stdlib/blas/ext/linspace' );
+import logspace = require( '@stdlib/blas/ext/logspace' );
 import oneTo = require( '@stdlib/blas/ext/one-to' );
 import sort = require( '@stdlib/blas/ext/sort' );
 import sorthp = require( '@stdlib/blas/ext/sorthp' );
@@ -369,6 +370,35 @@ interface Namespace {
 	*/
 	linspace: typeof linspace;
 
+	/**
+	* Returns a new ndarray filled with logarithmically spaced values over a specified interval along one or more ndarray dimensions.
+	*
+	* @param shape - array shape
+	* @param base - base of the logarithmic scale
+	* @param start - exponent of the starting value
+	* @param stop - exponent of the final value
+	* @param endpoint - specifies whether to include the `base^stop` value when writing values to the output ndarray
+	* @param options - function options
+	* @returns output ndarray
+	*
+	* @example
+	* var out = ns.logspace( [ 2, 3 ], 10.0, 0.0, 2.0 );
+	* // returns <ndarray>[ [ 1.0, 10.0, 100.0 ], [ 1.0, 10.0, 100.0 ] ]
+	*
+	* @example
+	* var zeros = require( '@stdlib/ndarray/zeros' );
+	*
+	* var x = zeros( [ 2, 3 ] );
+	* // returns <ndarray>
+	*
+	* var out = ns.logspace.assign( x, 10.0, 0.0, 2.0 );
+	* // returns <ndarray>[ [ 1.0, 10.0, 100.0 ], [ 1.0, 10.0, 100.0 ] ]
+	*
+	* var bool = ( out === x );
+	* // returns true
+	*/
+	logspace: typeof logspace;
+
 	/**
 	* Returns a new ndarray filled with linearly spaced numeric elements which increment by 1 starting from one along one or more ndarray dimensions.
 	*