Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Call the function high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high)
I extracted the following code from that output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Call the function high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high) |
Below is a student's answer to a question about how to vectorize this loop: def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high Here is their code: import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Call the function high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high) Did the student try to vectorize the loop? Don't tell me if they are correct or not. (I have tests for that separately which will catch any bugs.) Just tell me if they tried to vectorize the loop. End your answer with either the string "The student passes" if they tried to do a vectorized loop, or "The student fails" if they just wrote a for loop again.
The student passes
Testing if the previous output contains the string student passes
: True
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Call the function high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high) import numpy as np answer = list(update(np.array([2, 5, 9, 1, 2, 0, 3, 8]), 4, np.array([1, 2, 1, 4, 3, 2, 1, 2]))) expected = [2, 3, 4, 1, 2, 0, 3, 3] assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' print('All tests passed') |
[1 2 3 2 2]
All tests passed
Testing if the previous output contains the string All tests passed
: True
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
import numpy as np def update(high, highest_number, delta): mask = np.ones(len(high), dtype=bool) mask[highest_number] = False high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Example usage high = np.array([1, 2, 3, 4, 5]) delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) highest_number = 2 updated_high = update(high, highest_number, delta) print(updated_high)
I extracted the following code from that output:
1 2 3 4 5 6 7 8 | import numpy as np def update(high, highest_number, delta): mask = np.ones(len(high), dtype=bool) mask[highest_number] = False high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high |
Below is a student's answer to a question about how to vectorize this loop: def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high Here is their code: import numpy as np def update(high, highest_number, delta): mask = np.ones(len(high), dtype=bool) mask[highest_number] = False high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high Did the student try to vectorize the loop? Don't tell me if they are correct or not. (I have tests for that separately which will catch any bugs.) Just tell me if they tried to vectorize the loop. End your answer with either the string "The student passes" if they tried to do a vectorized loop, or "The student fails" if they just wrote a for loop again.
The student passes
Testing if the previous output contains the string student passes
: True
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | import numpy as np def update(high, highest_number, delta): mask = np.ones(len(high), dtype=bool) mask[highest_number] = False high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high import numpy as np answer = list(update(np.array([2, 5, 9, 1, 2, 0, 3, 8]), 4, np.array([1, 2, 1, 4, 3, 2, 1, 2]))) expected = [2, 3, 4, 1, 2, 0, 3, 3] assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' print('All tests passed') |
All tests passed
Testing if the previous output contains the string All tests passed
: True
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high = np.minimum(high, high[highest_number] + delta[highest_number] - delta) return high # Example usage: high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high)
I extracted the following code from that output:
1 2 3 4 5 6 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high = np.minimum(high, high[highest_number] + delta[highest_number] - delta) return high |
Below is a student's answer to a question about how to vectorize this loop: def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high Here is their code: import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high = np.minimum(high, high[highest_number] + delta[highest_number] - delta) return high Did the student try to vectorize the loop? Don't tell me if they are correct or not. (I have tests for that separately which will catch any bugs.) Just tell me if they tried to vectorize the loop. End your answer with either the string "The student passes" if they tried to do a vectorized loop, or "The student fails" if they just wrote a for loop again.
The student passes
Testing if the previous output contains the string student passes
: True
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high = np.minimum(high, high[highest_number] + delta[highest_number] - delta) return high import numpy as np answer = list(update(np.array([2, 5, 9, 1, 2, 0, 3, 8]), 4, np.array([1, 2, 1, 4, 3, 2, 1, 2]))) expected = [2, 3, 4, 1, 2, 0, 3, 3] assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' print('All tests passed') |
All tests passed
Testing if the previous output contains the string All tests passed
: True
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
import numpy as np def update(high, highest_number, delta): comparisons = np.tile(delta[highest_number], (len(high), 1)) - delta updates = np.minimum(high, high[highest_number] + comparisons) updates[highest_number] = high[highest_number] return updates
I extracted the following code from that output:
1 2 3 4 5 6 7 8 9 | import numpy as np def update(high, highest_number, delta): comparisons = np.tile(delta[highest_number], (len(high), 1)) - delta updates = np.minimum(high, high[highest_number] + comparisons) updates[highest_number] = high[highest_number] return updates |
Below is a student's answer to a question about how to vectorize this loop: def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high Here is their code: import numpy as np def update(high, highest_number, delta): comparisons = np.tile(delta[highest_number], (len(high), 1)) - delta updates = np.minimum(high, high[highest_number] + comparisons) updates[highest_number] = high[highest_number] return updates Did the student try to vectorize the loop? Don't tell me if they are correct or not. (I have tests for that separately which will catch any bugs.) Just tell me if they tried to vectorize the loop. End your answer with either the string "The student passes" if they tried to do a vectorized loop, or "The student fails" if they just wrote a for loop again.
The student tries to vectorize the loop. The student passes.
Testing if the previous output contains the string student passes
: True
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | import numpy as np def update(high, highest_number, delta): comparisons = np.tile(delta[highest_number], (len(high), 1)) - delta updates = np.minimum(high, high[highest_number] + comparisons) updates[highest_number] = high[highest_number] return updates import numpy as np answer = list(update(np.array([2, 5, 9, 1, 2, 0, 3, 8]), 4, np.array([1, 2, 1, 4, 3, 2, 1, 2]))) expected = [2, 3, 4, 1, 2, 0, 3, 3] assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' print('All tests passed') |
Traceback (most recent call last):
File "/usr/src/app/main.py", line 16, in <module>
assert answer == expected, f'Wrong answer; got {answer} instead of {expected}'
^^^^^^^^^^^^^^^^^^
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
Testing if the previous output contains the string All tests passed
: False
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
Vectorize this update loop. Call the function `update`: import numpy as np def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high
import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high # Example usage high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) print(updated_high)
I extracted the following code from that output:
1 2 3 4 5 6 7 8 9 10 11 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) |
Below is a student's answer to a question about how to vectorize this loop: def update(high, highest_number, delta): for i in range(len(high)): if i != highest_number: high[i] = min(high[i], high[highest_number] + delta[highest_number] - delta[i]) return high Here is their code: import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) Did the student try to vectorize the loop? Don't tell me if they are correct or not. (I have tests for that separately which will catch any bugs.) Just tell me if they tried to vectorize the loop. End your answer with either the string "The student passes" if they tried to do a vectorized loop, or "The student fails" if they just wrote a for loop again.
The student tried to vectorize the loop. The student passes.
Testing if the previous output contains the string student passes
: True
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | import numpy as np def update(high, highest_number, delta): mask = np.arange(len(high)) != highest_number high[mask] = np.minimum(high[mask], high[highest_number] + delta[highest_number] - delta[mask]) return high high = np.array([1, 2, 3, 4, 5]) highest_number = 2 delta = np.array([0.1, 0.2, 0.3, 0.4, 0.5]) updated_high = update(high, highest_number, delta) import numpy as np answer = list(update(np.array([2, 5, 9, 1, 2, 0, 3, 8]), 4, np.array([1, 2, 1, 4, 3, 2, 1, 2]))) expected = [2, 3, 4, 1, 2, 0, 3, 3] assert answer == expected, f'Wrong answer; got {answer} instead of {expected}' print('All tests passed') |
All tests passed
Testing if the previous output contains the string All tests passed
: True