trapezoidal-rule code snippets in matlab

evaluate the following integral : integral from 0 to 4 of (2-e^(-3x))dx and solve the following b. the trapezoidal rule with n=4 in matlab

the average of the left and right riemann sums is equivalent to the _____ sum. a. triagonal b. middle riemann c. central riemann d. trapezoidal in matlab

trapezoidal rule for an integration in matlab