retreat commit

testy/ml/numpyslicingtensors.py

@@ -0,0 +1,37 @@
+import numpy as np
+
+t = np.array([[[1,2,3,4,5], [2,2,2,2,2]],
+
+              [[3,3,3,3,3], [4,4,4,4,4]],
+
+              [[5,5,5,5,5], [6,6,6,6,6]]])
+
+print(t.shape, t.ndim, t.dtype)
+
+print(t[0:2].shape)
+
+
+#nasledujici je totozne
+a = t[:2]
+b = t[0:2, :, :]
+c = t[0:2, 0:2, 0:5]
+
+#posledni dve cisla kazdeho elementu tensoru 1
+a = t[1, :, 3:]
+
+#prostredni 3 cisla z kazdeho elementu
+a = t[:, :, 1:-1]
+# print(a==b)
+print(a)
+# print(b)
+# print(c)
+
+print(t.reshape((6,5)))
+print(t.reshape((30)))
+print(t.reshape((30,1)))
+print(np.transpose(t))
+
+
+#operations
+u =np.array([5,2,1,1,4])
+print(t+u)