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[svd_intro.md] Update np.random → Generator API #1003

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[svd_intro.md] Update np.random → Generator API #1003

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6 changes: 4 additions & 2 deletions lectures/svd_intro.md
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Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,8 @@ Let's do an example.
import numpy as np
import numpy.linalg as LA
import matplotlib.pyplot as plt

rng = np.random.default_rng()
```

Having imported these modules, let's do the example.
Expand Down Expand Up @@ -424,7 +426,7 @@ First, let's study a case in which $m = 5 > n = 2$.

```{code-cell} ipython3
import numpy as np
X = np.random.rand(5,2)
X = rng.random((5, 2))
U, S, V = np.linalg.svd(X,full_matrices=True) # full SVD
Uhat, Shat, Vhat = np.linalg.svd(X,full_matrices=False) # economy SVD
print('U, S, V =')
Expand Down Expand Up @@ -486,7 +488,7 @@ To illustrate this case, we'll set $m = 2 < 5 = n $ and compute both full and r

```{code-cell} ipython3
import numpy as np
X = np.random.rand(2,5)
X = rng.random((2, 5))
U, S, V = np.linalg.svd(X,full_matrices=True) # full SVD
Uhat, Shat, Vhat = np.linalg.svd(X,full_matrices=False) # economy SVD
print('U, S, V = ')
Expand Down
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