MATLAB: Plotting Data of a Matrix with multiple values on the X-Axis.

plotting data of a matrix

Hello everyone.I have a matrix with 731 row & 31 column as you can see in attachment, and i wanna plot all the data in every column with one specific value on the x-axis.

in other word,all the data in first column with the value -30 on the x-axis, all the data in second column with the value -28 on the x-axis, all the data in third column with the value -26 on the x-axis, and so on till the last column, which is the column 31 with the value 30 on the x-axis.

thanks a lot.

Best Answer

load AmplitudeRe75
plot(-30:0,Amplitude)

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MATLAB: How to create a matrix for plotting surf(x,y,z) from multiple .dat files

Here I attached one such file.

The first column is the Y values. Which is same in all 60 files.

I want the column 7(LIX 1 omega) to be treated as Z values. I want to creat a matrix of 512 rows and 60 columns. 512 will be the data from the column 7 of each file. 60 is the no of files.

The x values will be 0-59.

Them I would like to plot surf(x,y,z) to see the variation of Z in the color plot

Thanks a lot in advance.

MATLAB: Changing the scale of axis in surf plot

How to change the limits and ticks on the x axis

h = surf(X,Y,Z);            % save handle to surface object 
axHand = h.Parent;          % alternative:  gca()
axHand.XTick = -35 : 5 : 35; 
axHand.XLim = [-35, 35];

How to shift your data down the x axis

shift = -35; %shift 35 units leftward (neg) or rightward (pos)
h = surf(X+shift, Y, Z);

Best Answer

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MATLAB: How to create a matrix for plotting surf(x,y,z) from multiple .dat files

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