In the U.S. fuel efficiency of cars is specified in miles per gallon (mpg). In E

Question

In the U.S. fuel efficiency of cars is specified in miles per gallon (mpg). In Europe it is often expressed in liters per 100 km. Write a MATLAB user- defined function that converts fuel efficiency from mpg to liters per 100 km. For the function name and arguments, use Lkm-mpgToLpkm (mpg). The input argument mpg is the efficiency in mi/gl, and the output argument Lkm is the efficiency in liters per 100 km (rounded to the nearest hundredth). Use the function in the Command Window to: (a) Determine the fuel eficiency in liters per 100 km of a car whose fuel effi- ciency is 21 mi/gal. (b) Determine the fuel efficiency in liters per 100 km of a car whose fuel effi- ciency is 36 mi/gal.

Explanation / Answer

%matlab code

% start fucntion

function Lkm=mpgToLpkm(mpg)
% conversion factor for (mile/gallon) to (Liter/100km)
Lkm=round(235.14/(mpg)*100)/100; % conversion factor for (Liter/100km)to (mile/gallon)
% rounding to the nearest 100th
end

% end function

%part a
mpgToLpkm(21)

Lkm = 11.2000

% part b
mpgToLpkm(36)

Lkm = 6.5300

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