MATLAB: Matlabonramp 13.2.

13.2

The elseif keyword can be used after if to add more conditions. You can include multiple elseif blocks.

Try adding a variable doDisplay to toggle if the densities are displayed. Add this condition with an elseif block.

I don't really understand or know what to write and what the task wants. What does mean "to toggle" here mean?

This is the furhther practice from the Matlab Onramp course chapter 13

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"Toggle" means to switch between to states (on/off, yes/no, in/out, show/hide, etc).

A Further Practice section is an area to practice what you have learned. Here, you are provided with a suggestion of what you could do. The suggestion is to replace "else" with "elseif". This creates the opportunity to test a second condition, doDisplay. Follow the same steps you used to create the first condition, doPlot.

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MATLAB: Toggle and elseif in matlab

Shivaani - I think that all the code is asking you to do is to add another variable called doDisplay and an elseif that would check if this variable is true. If so, then you would plot the densities. So there would be two ways to plot the data - either through the doPlot or with the doDisplay

if doPlot
    plot(density)
    title("Sample Densities")
    xticklabels(element)
    ylabel("Density (g/cm^3)")
elseif doDisplay
    plot(density)
    title("Sample Densities")
    xticklabels(element)
    ylabel("Density (g/cm^3)") 
else
    disp("The density of " + element ...
        + " is " + density)
end

You would need to declare and initialize the doDisplay variable too.

MATLAB: What is global nummod

Why don't you ask the author. Hist email contact is listed on this page: http://www.clear.rice.edu/elec301/Projects01/

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MATLAB: Toggle and elseif in matlab

MATLAB: What is global nummod

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