int8 |
8 位元有號整數 |
int16 |
16 位元有號整數 |
int32 |
32 位元有號整數 |
int64 |
64 位元有號整數 |
uint8 |
8 位元無號整數 |
uint16 |
16 位元無號整數 |
uint32 |
32 位元無號整數 |
uint64 |
64 位元無號整數 |
float16 |
16 位元浮點數 |
float32 |
32 位元浮點數 |
import numpy as np
x=np.array([1,2,3],dtype=np.int16)
print(x,type(x))
print(x[0],type(x[0]))
import numpy as np
def myfun(a:np.ndarray):
return sum(a)
lst = [1,2,3]
ary = np.array(lst)
print(“list: %r, Type: %r”%(lst,type(lst)) )
print(“Array: %r, Type: %r” %( ary ,type(ary)))
print(“Summation:”,myfun(ary) )
lst2D = [
[1,2,3],
[4,5,6]
]
ary2D = np.array(lst2D)
print(ary2D)
print( “Type of 2D array:”,type(ary2D) )
#一樣是numpy.ndarray,沒有顯示維度
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