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Find the error in this code snippet:

medium📝 Debug Q14 of 15
SciPy - Basics and Scientific Computing
Find the error in this code snippet:
from scipy import optimize
result = optimize.minimize(lambda x: x**2, 2)
print(result)
AThe code is correct and will run without error
BThe initial guess must be a list or array, not a number
CThe lambda function should take two arguments
DThe minimize function requires an extra argument for bounds
Step-by-Step Solution
Solution:
  1. Step 1: Check function signature

    The lambda function takes one argument, which is valid for minimize.
  2. Step 2: Check initial guess type

    Initial guess can be a number for single-variable problems, so 2 is valid.
  3. Step 3: Check if bounds are required

    Bounds are optional; code runs fine without them.
  4. Final Answer:

    The code is correct and will run without error -> Option A
  5. Quick Check:

    Minimize with single variable and number guess runs fine [OK]
Quick Trick: Single-variable minimize accepts number as initial guess [OK]
Common Mistakes:
MISTAKES
  • Thinking initial guess must be list/array
  • Assuming bounds are always required
  • Expecting lambda to need two arguments

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