Erster Schwung für Teil 22

teil22/.gitignore

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+# created by virtualenv automatically
+__pycache__
+bin
+lib

teil22/StressFile.py

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+import io
+import numpy as np
+
+class StressFile:
+  def readOutFile(self,filename):
+    result = {
+       'frequency': [],
+       'temperatures': []
+    }
+    with open(filename,'r') as f:
+      content = f.readlines()
+    print(f'conent= {content}')
+
+
+sf = StressFile()
+
+sf.readOutFile('./kodos.out')
+

teil22/calc_array.py

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+import numpy as np
+
+# Array initialisieren
+org = np.array([1,2,3,4,5,6])
+
+
+# Kopiert das int64 Array in ein float64 Array
+def copy_to_float64(source):
+ liste = []
+
+ for i in range(source.shape[1]):
+   liste.append(float(source[i]))
+
+ return np.array(liste,dtype=float64)
+
+ 
+# Ein paar Kopien anlegen
+copy_sum = org.copy()
+copy_mult = org.copy()
+copy_diff = org.copy()
+copy_div = org.astype(np.float64).copy()
+ 
+# Zu allen Elementen 2 dazuzählen
+copy_sum += 2
+
+print(f'copy_sum={copy_sum}')
+
+# Alle Elemente mit 2 multiplizieren
+copy_mult *= 2
+
+print(f'copy_mult={copy_mult}')
+
+
+# Von allen Elementen 1 abziehen
+copy_diff -= 1
+
+print(f'copy_diff={copy_diff}')
+
+copy_div /=2
+
+print(f'copy_div={copy_div}')
+

teil22/copyarray.py

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+import numpy as np
+
+org = np.array([1,2,3,4,5,6])
+
+copy = org
+
+print(f'org= {org}')
+print(f'copy={copy}')
+
+copy[2]= 7
+
+print(f'org= {org}')
+print(f'copy={copy}')
+
+copy2 = org.copy()
+
+copy2[2]= 3
+
+print(f'org= {org}')
+print(f'copy2={copy2}')

teil22/reshape.py

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+import numpy as np
+
+a = np.array([1,2,3,4,5,6,7,8,9,10])
+
+print(f'orignal {a}')
+
+reshaped = a.reshape(2,5)
+
+print(f'reshaped {reshaped}')

teil22/rndm.py

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+import numpy as np
+
+#Erzeuge 1 Mio Zufallszahlen
+random_np = np.random(100000)
+
+random_list = list(random_np)
+

teil22/shape.py

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+import numpy as np
+
+twodim_array = np.array([[1,2,3,4,5],[1,4,9,16,25]])
+
+print(f'shape is {twodim_array.shape}')
+

teil22/simplearray.py

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+import numpy as np
+
+
+simple_array = np.array([1,2,3,4,5,6])
+
+print(f'simple_array={simple_array}')
+print(f'ndim={simple_array.ndim}')
+print(f'dtype={simple_array.dtype}')
+print(f'shape is {simple_array.shape}')

teil22/twodimarray.py

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+import numpy as np
+
+twodim_array = np.array([[1,2,3,4,5],[1,4,9,16,25]],dtype='int32')
+
+print(f'twodim_array={twodim_array}')
+print(f'ndim={twodim_array.ndim}')
+print(f'dtype={twodim_array.dtype}')
+print(f'shape is {twodim_array.shape}')
+