What is wrong with my waterfall plot?

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Kyle McLaughlin
Kyle McLaughlin on 12 Nov 2020
Answered: Deepak Meena on 17 Nov 2020
Hello,
I am trying to make a vibration spectrum plot using the waterfall command. I want the X axis to be time, Y to be rpm, and Z to be the amplitude of the frequency. I have produced a plot but it does not look similar to my reference. My plot does not show the color gradient for the z axis and it does not have the lines on the floor of the graph like other waterfall plot examples have on Matlabs website.
Nor = [linspace(0,4000,13) 3600 2660 linspace(2646,2646,14) 2660 3200 linspace(3800,0,12)] ; %outter ring rpm
time = linspace(0,43,43); %process time
BPFO_A = (n/120)*(1-(d/D)*cos(thetaA))*(abs(Nor+Nir)); %frequency
%creating waterfall plot
[X,Y] = meshgrid(time,Nor);
Z1 = meshgrid(BPFO_A,Nor);
z = meshgrid(Nor,BPFO_A);
figure(1)
waterfall(X',Y,Z1')

Answers (1)

Deepak Meena
Deepak Meena on 17 Nov 2020
Hi Kyle,
Specify the value of the variables so that we can reproduce this on our end as well
Thanks

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