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Thread: Check if two matrix are equal and of not add the matrix to the list
Post: Check if two matrix are equal and of not add the m...
| I have a list which contains may matrices. I called this list as su4_np and it contains more than 500 matrices
When I want to add a matrix to the list, I want to check if there is any matrix in the li... |
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quest |
General Coding Help |
3 |
909 |
Jul-04-2023, 12:24 AM |
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Thread: Taking Mathematical Expressions from Strings
Post: Taking Mathematical Expressions from Strings
| I have bunch of strings like:
import re
import ast
import numpy as np
1/2 + 1/2*i + 1/2*j + 1/2*k
1 + 0*i + 0*j + 0*k
1 + 1*i + 0*j + 0*k etc...
I am trying to extract the numbers from these string... |
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quest |
General Coding Help |
2 |
757 |
Jun-30-2023, 01:31 AM |
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Thread: scipy fftfreq parameters
Post: scipy fftfreq parameters
| I am trying to get the fft of my pulse.
My total pulse duration is 1 microsecond and I have 100000 time slot in this pulse. So each interval corresponds 10 picoseconds.
I am trying to find my x axis w... |
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quest |
Data Science |
1 |
1,272 |
Apr-14-2023, 12:11 AM |
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Thread: Python Regex
Post: RE: Python Regex
| (Sep-21-2022, 08:13 PM)deanhystad Wrote: Parentheses have special meaning in regex and must appear in pairs. If you want to include the () characters in the pattern you need to precede with \: \( o... |
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quest |
General Coding Help |
2 |
2,473 |
Sep-22-2022, 03:15 AM |
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Thread: Python Regex
Post: Python Regex
| I have the following text file:
Output:S = 0, X are: (1, 0, 1, 1, 0, 0, )S = 0, Z are: (0, 1, 1, 1, 0, 1, )Data bits measurement:0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, Measured l0: 1, Measured l1: 0
... |
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quest |
General Coding Help |
2 |
2,473 |
Sep-21-2022, 12:16 PM |
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Thread: The formula in the function is not giving the correct value
Post: RE: The formula in the function is not giving the ...
| This line a = 1/2*(np.trace(np.matmul(kraus,pauli))) should be a = 1/2*(np.trace(np.matmul(kraus,pauli[0]))) |
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quest |
General Coding Help |
1 |
1,292 |
Mar-30-2022, 03:20 AM |
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Thread: The formula in the function is not giving the correct value
Post: The formula in the function is not giving the corr...
| Here is my function
def coefficients(_list,q_number):
paulis = list(product([i,x,y,z],repeat=q_number))
spaulis = list(product(['i','x','y','z'],repeat=q_number))
#print(spaulis)
resul... |
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quest |
General Coding Help |
1 |
1,292 |
Mar-29-2022, 02:59 PM |
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Thread: Change the key value in dictionary
Post: RE: Change the key value in dictionary
| Amazing thanks fro the quick answer :) |
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quest |
General Coding Help |
3 |
1,489 |
Mar-25-2022, 04:47 AM |
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Thread: Change the key value in dictionary
Post: Change the key value in dictionary
| Hello
I have this dictionary:
{('i', 'i'): (0.4958635668040591+0.033985852749267645j),
('i', 'x'): (-3.713537562982453e-06-2.578284945296621e-07j),
('i', 'y'): (-2.078134606106431e-06-1.50922727852... |
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quest |
General Coding Help |
3 |
1,489 |
Mar-25-2022, 01:42 AM |
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Thread: How to trigger for loop after while
Post: RE: How to trigger for loop after while
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quest |
General Coding Help |
2 |
1,578 |
Mar-22-2022, 11:34 PM |
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Thread: How to trigger for loop after while
Post: How to trigger for loop after while
| Hello,
This is my code:
input_number=3
layer=5
paulis = list(product(['I','X','Y','Z'],repeat=input_number))
a = list(product(['i','x','y','z'],repeat = input_number))
rho_1='rho_1'
... |
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quest |
General Coding Help |
2 |
1,578 |
Mar-21-2022, 06:41 AM |
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Thread: Searching in the list
Post: RE: Searching in the list
| (Mar-02-2022, 06:47 AM)Gribouillis Wrote: You could use a dictionary
from collections import defaultdict
d = defaultdict(complex)
for c, name, n in mylist:
d[name] += c * c
print(d)Thank you ve... |
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quest |
General Coding Help |
4 |
1,597 |
Mar-02-2022, 10:30 AM |
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Thread: Searching in the list
Post: Searching in the list
| Here is my list:
mylist=[((-6.952686099999967e-11+1.761756624e-08j), ('z', 'x'), 3),
((5.815437999999992e-11+4.8251177450000006e-09j), ('z', 'y'), 3),
((1.0000000046778146e-10-1.3938548489871208e-07... |
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quest |
General Coding Help |
4 |
1,597 |
Mar-02-2022, 05:56 AM |
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Thread: Make the code shorter
Post: Make the code shorter
| I have 4 matrix which is shape 2*2 and pi,px,py and pz are my coefficient. and according to the input from the use, I am trying to calculate my matrix and these coefficient with all combinations.
pi l... |
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quest |
General Coding Help |
2 |
1,568 |
Feb-18-2022, 03:54 AM |
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Thread: Give a number for Variable
Post: Give a number for Variable
| I defined symbols via Sympy and I created an array. Then when I want to give a value to the variable, the variable still stay as variable.
a, b, c, d = sympy.symbols('a b c d')
error_mat=np.array([[a... |
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quest |
General Coding Help |
2 |
1,561 |
Jan-31-2022, 02:16 AM |
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Thread: SOlving LInear Equations in Python(Symoy, NUmpy) - Coefficient Problem
Post: RE: SOlving LInear Equations in Python(Symoy, NUmp...
| well, the problem is here a,b,c,d are variables which I want to find them but rho00, rho01 rho10, rho11 are the free varibles which will not take a value and I do not know how to give these equations ... |
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quest |
General Coding Help |
3 |
1,805 |
Jan-30-2022, 10:53 PM |
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Thread: SOlving LInear Equations in Python(Symoy, NUmpy) - Coefficient Problem
Post: SOlving LInear Equations in Python(Symoy, NUmpy) -...
| Hello I am trying to solve set of equations and I actually know the how to solve them but I am having some problems and for some reason I cannot give the coefficients correctly I guess
So, Here is my... |
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quest |
General Coding Help |
3 |
1,805 |
Jan-30-2022, 11:50 AM |
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Thread: Write the Matrix2 by using Matrix1
Post: RE: Write the Matrix2 by using Matrix1
| Helloooo :)
I solved the problem. It is quite simple:
count = 0
rho_final_arr = np.array(rho_final)
rho_i_arr=np.array(rho_i)
for row in range(8):
for column in range(8):
if row==0 and c... |
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quest |
General Coding Help |
18 |
3,448 |
Jan-24-2022, 01:07 AM |
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Thread: Write the Matrix2 by using Matrix1
Post: RE: Write the Matrix2 by using Matrix1
| unfortunately, I still have the same error and I do not understand the reason....
here is my new code:
count = 0
rho_final_arr = np.array(rho_final)
for row in range(8):
for column in range(8):
... |
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quest |
General Coding Help |
18 |
3,448 |
Jan-23-2022, 11:57 PM |
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Thread: Write the Matrix2 by using Matrix1
Post: RE: Write the Matrix2 by using Matrix1
| (Jan-21-2022, 10:02 AM)ThiefOfTime Wrote: ah ok, i see. the problem is that you are iterating over lists that you alread modified. If I would guess I would say it is this part:
if (rho_final[row][co... |
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quest |
General Coding Help |
18 |
3,448 |
Jan-22-2022, 12:41 AM |
