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Thread: Unable to understand the meaning of the line of code.
Post: Unable to understand the meaning of the line of co...
| Am unable to understand the meaning of the code on the r.h.s. of the below line of code, as given here.
lambda A: sum(2*(A[a]==a)-(A[A[a]]==a) for a in A)The array 'A' here is: [0, 1, 2, 3], with 'a'... |
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jahuja73 |
General Coding Help |
0 |
303 |
Jan-23-2024, 05:09 AM |
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Thread: Why getting ValueError : Math domain error in trig. function, math.asin() ?
Post: RE: Why getting ValueError : Math domain error in ...
| (Feb-24-2021, 12:01 PM)Serafim Wrote: 2 is outside the interval for which asin is defined. Pythons math.asin is an implemetation of arc sine and thus it is defined for values between -1.0 and 1.0
Ag... |
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jahuja73 |
General Coding Help |
3 |
3,764 |
Feb-24-2021, 01:43 PM |
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Thread: Finding square roots using long division.
Post: RE: Finding square roots using long division.
| (Feb-24-2021, 12:09 PM)Serafim Wrote: Sorry, I am off to my next project. Try implementing it yourself. It is not that big an effort. Use my hint in previous message and the round() function. That w... |
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jahuja73 |
Homework |
10 |
5,419 |
Feb-24-2021, 01:25 PM |
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Thread: Why getting ValueError : Math domain error in trig. function, math.asin() ?
Post: Why getting ValueError : Math domain error in trig...
| Unable to see why error in output.
Tried on repl.it, as well as ideone.com; and get the same error.
#your code goes here
import math
# number
a = 2
print("asin(",a,") is = ", math.asin(a))Output:
... |
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jahuja73 |
General Coding Help |
3 |
3,764 |
Feb-24-2021, 11:57 AM |
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Thread: Finding square roots using long division.
Post: RE: Finding square roots using long division.
| (Feb-24-2021, 11:01 AM)Serafim Wrote: I didn't answer your last question (3):
I think normalize is the place. Add one digit to the decimals and then shorten the result. It's a messy business as the ... |
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jahuja73 |
Homework |
10 |
5,419 |
Feb-24-2021, 11:37 AM |
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Thread: Finding square roots using long division.
Post: RE: Finding square roots using long division.
| (Feb-24-2021, 09:52 AM)Serafim Wrote: I have made an implementation that needs some explanation.
I convert the input to a string as I want to simply move the decimal point out of the way. Stepwise f... |
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jahuja73 |
Homework |
10 |
5,419 |
Feb-24-2021, 10:47 AM |
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Thread: Finding square roots using long division.
Post: RE: Finding square roots using long division.
| (Feb-22-2021, 09:54 AM)Serafim Wrote: If you want to continue beyond this you must add new groups of zeroes to "a", one group for the number of decimals you want
Eg. the square root of 3:
With your... |
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jahuja73 |
Homework |
10 |
5,419 |
Feb-22-2021, 02:54 PM |
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Thread: Finding square roots using long division.
Post: Finding square roots using long division.
| Below is code for long division based finding square root.
But, it fails for decimals, as well as non-square integers.
I mean it gives the same result for 1225, and 1235, i.e. 35.
INFINITY_ = 9999999
... |
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jahuja73 |
Homework |
10 |
5,419 |
Feb-22-2021, 05:39 AM |
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Thread: Unable to execute input().
Post: RE: Unable to execute input().
| (Feb-17-2021, 08:51 AM)bowlofred Wrote: You'll get that EOFError: EOF when reading a line error if input() gets an "end-of-file" condition. Perhaps by being redirected to an empty/unreadable file, ... |
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jahuja73 |
General Coding Help |
5 |
4,441 |
Feb-18-2021, 06:51 AM |
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Thread: Unable to execute input().
Post: RE: Unable to execute input().
| (Feb-17-2021, 07:53 AM)Serafim Wrote: I don't get any errors when running that code. Neither when running it as is or when changing it to use the function "get_input()". Not perfect, but it runs wit... |
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jahuja73 |
General Coding Help |
5 |
4,441 |
Feb-17-2021, 08:32 AM |
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Thread: Unable to execute input().
Post: Unable to execute input().
| Unable to run the below code.
# your code goes here
def get_input():
my_var = str(input('Enter "a" or "b": '))
if my_var == "a" or my_var == "b":
print('got input:', my_var)
r... |
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jahuja73 |
General Coding Help |
5 |
4,441 |
Feb-17-2021, 07:01 AM |
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Thread: Why not getting return on line #16?
Post: RE: Why not getting return on line #16?
| (Feb-11-2021, 03:48 PM)deanhystad Wrote: Yes. That is the purpose of my code. To demonstrate why your convert function returns None when called with a non-zero value for n. Is the reason clear now... |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-12-2021, 04:24 AM |
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Thread: Why not getting return on line #16?
Post: RE: Why not getting return on line #16?
| (Feb-11-2021, 05:00 AM)deanhystad Wrote: Is it now clear why convert() is returning None? convert6() does not have a return statement, and when you call convert(6), it doesn't have a return stateme... |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-11-2021, 08:57 AM |
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Thread: Why not getting return on line #16?
Post: RE: Why not getting return on line #16?
| (Feb-10-2021, 09:37 PM)BashBedlam Wrote: The return statement in the convert function is indented too far. Align it with the if/else and it will work as expected.
Thanks, but request some sort of pr... |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-11-2021, 03:47 AM |
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Thread: Why not getting return on line #16?
Post: RE: Why not getting return on line #16?
| (Feb-10-2021, 10:34 PM)deanhystad Wrote: I don't know if there is an error in you logic or your code. As written, the code only returns a value if n == 0. This occurs only one time and is followed... |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-11-2021, 03:38 AM |
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Thread: Why not getting return on line #16?
Post: RE: Why not getting return on line #16?
| (Feb-10-2021, 03:45 PM)deanhystad Wrote: Without following the link my guess is you have a code branch inside your function that doesn't end in a return. Do you have any if statements?
No, rechecke... |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-10-2021, 09:21 PM |
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Thread: Why not getting return on line #16?
Post: Why not getting return on line #16?
| I have a small python code (https://ideone.com/fc2MNb), but it on one line (line #16) returns None. While on another line (line #27) returns value. |
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jahuja73 |
General Coding Help |
12 |
4,394 |
Feb-10-2021, 03:18 PM |
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Thread: Unable to understand how given code takes a fixed input value, without inputting.
Post: RE: Unable to understand how given code takes a fi...
| (Jan-28-2021, 03:22 PM)jahuja73 Wrote: Gribouillis: sorry that just changed text while you answered. To provide link to the Cpp code, it is at :
https://ideone.com/OR4VZ.
I concur with your answe... |
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jahuja73 |
General Coding Help |
4 |
2,694 |
Jan-28-2021, 03:47 PM |
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Thread: Unable to understand how given code takes a fixed input value, without inputting.
Post: RE: Unable to understand how given code takes a fi...
| Gribouillis: sorry that just changed text while you answered. |
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jahuja73 |
General Coding Help |
4 |
2,694 |
Jan-28-2021, 03:22 PM |
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Thread: Unable to understand how given code takes a fixed input value, without inputting.
Post: Unable to understand how given code takes a fixed ...
| I got code via link in a post at stackoverflow, but unable to understand how in the code there is a fixed value taken as input, while the code asks none.
Code is at: https://ideone.com/nj4CF as given... |
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jahuja73 |
General Coding Help |
4 |
2,694 |
Jan-28-2021, 11:35 AM |
