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Q2: In this question, you will use Python to numerically differentiate the function f(x) = ex. 1- Create an array of 100 equally spaced numbers
Q2: In this question, you will use Python to numerically differentiate the function f(x) = ex. 1- Create an array of 100 equally spaced numbers between 0.001 and 1 and name it H. Each element in H will be a step-size for the numerical differentiation. See the hint at the end. 2- Compute the forward difference approximation of f(x) at Xi = 0 for every step-size in H. Compute the percentage of the absolute value of relative error of forward difference approximation for every step-size in H. Plot the percentage of relative error versus H. Include the plot in your report. (3 marks) 3- Compute the backward difference approximation of f(x) at xi = 0 for every step-size in H. Compute the percentage of the absolute value of relative error of backward difference approximation for every step-size in H. Plot the percentage of relative error versus H. Include the plot in your report. (3 marks) 4- Compute the centred difference approximation of f(x) at Xi = 0 for every step-size in H. Compute the percentage of the absolute value of relative error of centred difference approximation for every step-size in H. Plot the percentage of relative error versus H. Include the plot in your report. (3 marks) 5- What will happen as the step-size decreases? (0.5 marks) 6- Which approximation is more accurate? (0.5 marks) Hint: H=np.linspace(0.001, 1, 100);#creates an array of equally spaced numbers between 0.001 and 1 FM=np.zeros(100);#creates an array of 100 zeros. BM=np.zeros(100);#creates an array of 100 zeros. CM=np.zeros(100);#creates an array of 100 zeros. for i in range(0,100): FM[i]= #write your code for computing the forward approximation for step-size H[i] BM[i]= #write your code for computing the backward approximation for step-size H[i] CM[i]= #write your code for computing the forward approximation for step-size H[i]
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