More clear description

testing/shifted_GMRES.ipynb

@@ -95,7 +95,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Basic test case with random numbers to test the algorithm."
+    "Auxiliary function to compute the $\\tilde P$ matrix described in the reference paper"
    ]
   },
   {
@@ -147,6 +147,13 @@
     "  return A, p.T"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`Algorithm 4` described in the reference paper "
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 5,
@@ -256,6 +263,13 @@
     "    raise Exception('Maximum number of iterations reached')"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Random Numerical Test Case on a small-world random graph"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 6,
@@ -815,7 +829,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.8"
+   "version": "3.10.9"
   },
   "orig_nbformat": 4,
   "vscode": {