Functions and Scripts Code Output (MATLAB)

function celsius = temp_conv_f2c(fahrenheit)

celsius = (fahrenheit-32)/1.8;

disp(['The temperature is ',num2str(fahrenheit),' degrees Fahrenheit, which corresponds to ',num2str(celsius),' degrees Celsius.'])

end

function fahrenheit = temp_conv_c2f(celsius)

fahrenheit = 1.8*celsius+32;

disp(['The temperature is ',num2str(celsius),' degrees Celsius, which corresponds to ',num2str(fahrenheit),' degrees Fahrenheit.'])

end

function volume = vol_cone(radius,height)

volume = (pi*height*radius^2)/3;

end

function plot_exp(c,a)

if imag(c)==0&&imag(a)==0

x = linspace(-3,3,100);

y = c*exp(a*x);

plot(x,y)

else

disp("Error! Either a or c might be complex.")

end

end

cn = [1,1,1,-1,-1];

an = [0,1,-1,-1,1];

labels = cell(1,length(cn));

for count = 1:1:length(cn)

plot_exp(cn(count),an(count))

hold on

labels{count} = sprintf('c=%d, a=%d', cn(count), an(count));

end

xlabel('x');

ylabel('y');

title('Exponential curves')

legend(labels)

hold off

>> % Question 1
>> temp_conv_c2f(0);temp_conv_c2f(25);temp_conv_c2f(37.77);
The temperature is 0 degrees Celsius, which corresponds to 32 degrees Fahrenheit.
The temperature is 25 degrees Celsius, which corresponds to 77 degrees Fahrenheit.
The temperature is 37.77 degrees Celsius, which corresponds to 99.986 degrees Fahrenheit.
>> temp_conv_f2c(32);temp_conv_f2c(100);
The temperature is 32 degrees Fahrenheit, which corresponds to 0 degrees Celsius.
The temperature is 100 degrees Fahrenheit, which corresponds to 37.7778 degrees Celsius.
>> % Question 2
>> vol_cone(4,6.1)

ans =

  102.2065
>> % Question 3
>> plot_curves

Encountered errors, so re-wrote plot_curves.m and plot_exp.m:

function plot_exp(c,a)

if imag(c)==0&&imag(a)==0

x = linspace(-3,3,100);

y = c*exp(a*x);

plot(x,y)

disp("Plotted succesfully.")

else

disp("Error! Either a or c might be complex.")

end

end

cn = [2,sqrt(15)-1i,sqrt(2)];

an = [3-2i,12,-pi];

labels = {};

for count = 1:1:length(cn)

plot_exp(cn(count),an(count));

hold on;

if imag(cn(count))==0&&imag(an(count))==0

labels{end+1} = sprintf('c=%d, a=%d', cn(count), an(count));

end

end

xlabel('x');

ylabel('y');

title('Exponential curves');

legend(labels);

hold off;

>> plot_curves
Error! Either a or c might be complex.
Error! Either a or c might be complex.
Plotted succesfully.