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In many engineering problems, you will need to deal with multi dimensional problems. For example, the air temperature in a room is a function of 3 spatial coordinates, x , y and z and also time, t . So in “real” engineering application, the temperature in a room, \theta is a function of 4 variables \theta(x,y,z,t) Visualising multidimensional function can be very useful but also very challenging. We will illustrate the challenge by introducing you to the MATLAB tools to visualise functions with increasing number of variables. Visualising a function of 1 variable is relatively straighforward. If we want to plot f(x)=xe^{-x^2} we first define the domain for x and then compute f(x) and then plot f(x) vs x . x=-5:0.1:5 %define x domain -5