How to Plot Double Y-Axis Graph in MATLAB software complete step-by-step process I In English I

Dear friends,

In this tutorial, you will learn, different methods of Importing data in MATLAB software using Excel Sheet & MATLAB Code along with plotting double Y-axis graph in MATLAB.

MATLAB Code ( Refer this Basic Code while Plotting Double Y-axis Graphs)
Define x and y parameter where 'x' is your x-axis parameter while 'y1' &'y2' is your y-axis parameter showing R-squared & RMSE values w.r.t. number of neighbors i.e., input parameter 'x'.

x= [1 2 3 4 5]
y1= [0.54 0.64 0.74 0.84 0.98]
y2= [2 7 11 15 19]
plot(x,y1,'-^r','Linewidth',2)
xlabel('Number of Neighbors')
ylabel('R-squared')
yyaxis right
plot(x,y2,'-sb','Linewidth',2)
xlabel('Number of Neighbors')
ylabel('RMSE')
yyaxis left
legend('Testing Data', 'Training Data')
grid on

other way is to just use the command to access the data imported in MATLAB.
Here,
change 'x' to the name showing in workspace having x-axis data. Similarly, change 'y' parameter name to the one shown in workspace to access that data directly from workspace while plotting a graph in MATLAB. Also use the condition hold on & off if you have multiple output values.

plot(x,y1,'-^r','Linewidth',2)
//plot(xaxisParameter, yaxisParameter,'-^r','Linewidth',2)
hold on
xlabel('Number of Neighbors')
ylabel('R-squared')
yyaxis right
plot(x,y2,'-sb','Linewidth',2)
//plot(xaxisParameter, yaxisParameter1,'-sb','Linewidth',2)
hold off
xlabel('Number of Neighbors')
ylabel('RMSE')
yyaxis left
legend('Testing Data', 'Training Data')
grid on

This video is about MATLAB Software in which we have studied the step by step procedure of importing the data to MATLAB from the excel sheet either in the form of complete table or in the form of importing the each columns data to the workspace. Also, you can use the command to plot the graph using the parameters imported in the workspace or you can also define them in the new script window of MATLAB software while writing the code. You will get a very good quality and magnified graphs in MATLAB software which is one of the best software for quality graphs in research publications. The software is highly recommended for drawing high resolutions diagrams for publications in journal papers. The plots/graphs obtained in MATLAB software are far better than Excel graphs or others.

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