stem3- different stem color and marker color for different values in an axis.

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Vishakha Ramani 2019-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/479725-stem3-different-stem-color-and-marker-color-for-different-values-in-an-axis

评论： Star Strider 2019-9-10

Hello all,

I have a following randomly generated stem3 plot. I wanted to know if there was any way we could assign different colors to markers corresponding different values in x-axis i,e x =1, 2,3,4 should have different colored markers?

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Answer 1

Star Strider 2019-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/479725-stem3-different-stem-color-and-marker-color-for-different-values-in-an-axis#answer_391250

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Two options:

x = (ones(50,1)*(1:4))';                                        % Create Data
y = ones(size(x,1),1)*(1:50);                                   % Create Data
z = randi(99, size(x));                                         % Create Data
fc = jet(size(x,1));                                            % Choose Colormap
figure
hold all
for k = 1:size(x,1)
    stem3(x(k,:),  y(k,:), z(k,:), 'Color','b', 'MarkerFaceColor',fc(k,:))
end
hold off
grid on
view(-30,35)
figure
stem3(x(:), y(:), z(:))
hold on
scatter3(x(:), y(:), z(:), [], x(:), 'filled')
hold off
grid on
view(-30,35)