How can I do a scatter plot with different color and symbols

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Riyadh Muttaleb 2020-12-8

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回答： Riyadh Muttaleb 2020-12-9

采纳的回答： Cris LaPierre

Hi Everyone,

I want to plot scatter plot with diffrent symboles and color for my posative and negative data,

I have:

X: vector

Y vector

Z:[ -1 2 -3 4] so I made it:

Z1[NaN 2 Nan 4]

z2[-1 NaN -3 NaN]

I used:

scatter(X,Y,[],Z1,'r','filled','d'); hold on;

scatter(X,Y,[],Z2,'b','filled','c')

however it hasn't worked

Any help,

Thanks in advance!

Riyadh

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采纳的回答

Cris LaPierre 2020-12-8

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https://ww2.mathworks.cn/matlabcentral/answers/687799-how-can-i-do-a-scatter-plot-with-different-color-and-symbols#answer_569654

在 MATLAB Online 中打开

X = 0:4;

Y = 5:9;

Z = [ -1 2 -3 4];

ind = Z>=0;

scatter(X(ind),Y(ind),'r','filled','d');

hold on

scatter(X(~ind),Y(~ind),'b','filled','c')

hold off

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Cris LaPierre 2020-12-9

Could you provide you actual code and values?

Riyadh Muttaleb 2020-12-9

I don't know how to attach the code and data, however, assume I have these data.

I want to make color and symble for -ve , +ve and NaN (OR zero something diffrent)

X = 0:6;

Y = 5:11;

Z = [ -1 2 -3 4 NaN NaN];

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