test script for linalg.solve speed

tests/inv_vs_solve_time.py

@@ -0,0 +1,18 @@
+import numpy as np
+import numpy.random as rng
+import time
+
+medium_mtx = np.array( rng.rand( 2000, 2000 ))
+medium_vec = np.array( rng.rand( 2000, 1 ))
+
+t0 = time.time()
+y_s = np.matmul( np.linalg.inv( medium_mtx ), medium_vec )
+t1 = time.time()
+print( 'slow time: {} '.format( t1 - t0 ))
+
+
+
+t0_f = time.time()
+y_f = np.linalg.solve( medium_mtx, medium_vec )
+t1_f = time.time()
+print( 'fast time: {} '.format( t1_f - t0_f ))