Closed haoyang-udacity closed 6 years ago
1/6/2018 2:29:13 adammalpass@hotmail.co.uk https://classroom.udacity.com/nanodegrees/nd209-beta/parts/d2337ea3-40a9-4717-af6d-4b6e17c28e3e/modules/e015f3a0-a7a3-44be-9bb9-91054b0e034e/lessons/f002d591-94af-4c70-aeac-ac2ed6f7b527/concepts/519e39cc-7ae6-4e29-bec0-17ddcbfd41c8 In slide 12 and 13 the matrix is the same, but the oval shape is different. The voiceover explains that 13 shows the case when the bottom-left & top-right diaganol elements are non-zero. So the matrix in slide 13 should also show non-zero values, else it doesnt make sense.
1/6/2018 2:29:13 adammalpass@hotmail.co.uk https://classroom.udacity.com/nanodegrees/nd209-beta/parts/d2337ea3-40a9-4717-af6d-4b6e17c28e3e/modules/e015f3a0-a7a3-44be-9bb9-91054b0e034e/lessons/f002d591-94af-4c70-aeac-ac2ed6f7b527/concepts/519e39cc-7ae6-4e29-bec0-17ddcbfd41c8 In slide 12 and 13 the matrix is the same, but the oval shape is different. The voiceover explains that 13 shows the case when the bottom-left & top-right diaganol elements are non-zero. So the matrix in slide 13 should also show non-zero values, else it doesnt make sense.