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✅کار با متدهای numpy - بخش دوم

⏪اگر بخواهیم آرایه بصورت complex تعریف کنم میتوانیم با تعریف کردن dtype از نوع complex بصورت زیر اینکار را انجام بدهیم.
نکته : نوع داده complex برای اعداد مختلط استفاده می باشد.

»> import numpy as np
»> a9 = np.array([[1,1],[3,3]],dtype = complex)
»> print a9
[[ 1.+0.j  1.+0.j]
 [ 3.+0.j  3.+0.j]]


⏪متد سایز (size) تعداد عناصر کل آرایه رو نشون میده.
»> a9.size
4


⏪متد ndim هم تعداد ابعاد آرایه رو مشخص میکند
»> a9.ndim
2


نکته: این متدها در حل سوالات برنامه نویسی کاربرد زیادی دارند.

🗂 مرکز آموزش پایتون
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@pythonchallenge

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#دوره_تکمیلی_پایتون

✅کار با متدهای numpy - بخش دوم

⏪اگر بخواهیم آرایه بصورت complex تعریف کنم میتوانیم با تعریف کردن dtype از نوع complex بصورت زیر اینکار را انجام بدهیم.
نکته : نوع داده complex برای اعداد مختلط استفاده می باشد.

»> import numpy as np
»> a9 = np.array([[1,1],[3,3]],dtype = complex)
»> print a9
[[ 1.+0.j  1.+0.j]
 [ 3.+0.j  3.+0.j]]


⏪متد سایز (size) تعداد عناصر کل آرایه رو نشون میده.
»> a9.size
4


⏪متد ndim هم تعداد ابعاد آرایه رو مشخص میکند
»> a9.ndim
2


نکته: این متدها در حل سوالات برنامه نویسی کاربرد زیادی دارند.

🗂 مرکز آموزش پایتون
➖➖➖➖➖➖➖➖
@pythonchallenge
hottg.com/pythonchallenge/1633
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Since the violent storming of Capitol Hill and subsequent ban of former U.S. President Donald Trump from Facebook and Twitter, the removal of Parler from Amazon’s servers, and the de-platforming of incendiary right-wing content, messaging services Telegram and Signal have seen a deluge of new users. In January alone, Telegram reported 90 million new accounts. Its founder, Pavel Durov, described this as “the largest digital migration in human history.” Signal reportedly doubled its user base to 40 million people and became the most downloaded app in 70 countries. The two services rely on encryption to protect the privacy of user communication, which has made them popular with protesters seeking to conceal their identities against repressive governments in places like Belarus, Hong Kong, and Iran. But the same encryption technology has also made them a favored communication tool for criminals and terrorist groups, including al Qaeda and the Islamic State.

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