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Exam (elaborations)
AQA A-Level Mathematics I2: Simple Iterative Methods
AQA A-Level Mathematics I2: Simple Iterative Methods 
What is the iterative formula? 
How are staircase and cobweb diagrams drawn? 
• Draw the curve y = g(x) and the line y = x 
• Draw a vertical line from x₁ to a point on the curve y =g(x) 
• Draw a horizontal line from this point to a point on the line y = x 
• Repeat for n iterations 
• The solution α is given by α = xₙ 
What is the limitation of the iterative formula method? 
The function must converge to the solutio...