MATLAB - Numerical Methods
Which MATLAB function would you use to approximate the integral of discrete data points without a function expression?
Which MATLAB function would you use to approximate the integral of discrete data points without a function expression?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify function for discrete data integration
For discrete data points,trapzapplies trapezoidal rule to approximate integral.Step 2: Check other options
integralrequires function handle,diffcalculates differences,quadis older and less recommended.Final Answer:
trapz -> Option BQuick Check:
Discrete data integration = trapz [OK]
Quick Trick: Use trapz for numeric data arrays, integral for functions [OK]
Common Mistakes:
- Using integral on data vectors instead of function handles
- Confusing diff with integration
- Choosing deprecated quad function
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