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1. Write a MATLAB script to calculate the flow in a rectangular channel using Mannings formula, given hydraulic gradient S=0.001, and Mannings coefficient, n=0.014.

1. Write a MATLAB script to calculate the flow in a rectangular channel using Mannings formula, given hydraulic gradient S=0.001, and Mannings coefficient, n=0.014. The top width of the channel is T=4m, and the channel is 3.5m in depth. Generate a plot showing how the flow varies as the depth of the channel varies from 3.5m to Om.

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