auto update of text in plot
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i have a plot for sigma =0.05. i want the text in the plot should display sigma = 0.03 when i change the value of sigma as 0.03 and save it as new png file as sigma=0.03
sigma=0.05
me3=rand(1,2000);
me3d=rand(1,2000);
X=1:2000
plot(X, me3, '-*', 'Color', 'red', 'LineWidth', 2, 'MarkerIndices', 1:1000:length(me1))
hold on
plot(X, me3d, '-*', 'Color', 'blue', 'LineWidth', 2, 'MarkerIndices', 1:1000:length(me1))
text(1000, 0.55, '\sigma = 0.05', 'FontSize', 14, 'FontWeight', 'bold')
ylabel(' eigen frequencies', 'FontWeight', 'bold', 'FontSize', 16)
xlabel('Sample size', 'FontWeight', 'bold', 'FontSize', 16)
set(gca, 'FontSize', 16, 'FontWeight', 'bold')
saveas(gcf, 'mean sigma = 0.05.png')
采纳的回答
Dyuman Joshi
2023-12-6
Convert the script to a function (make appropriate change accordingly in doing so) and call the function for different values of sigma -
for sigma = [0.03 0.05]
myfun(sigma)
end
%Check the contents of the current folder
ls
%Function
function myfun(sigma)
me3=rand(1,2000);
me3d=rand(1,2000);
X=1:2000;
figure
plot(X, me3, '-*', 'Color', 'red', 'LineWidth', 2, 'MarkerIndices', 1:1000:length(me3))
hold on
plot(X, me3d, '-*', 'Color', 'blue', 'LineWidth', 2, 'MarkerIndices', 1:1000:length(me3))
text(1000, 0.55, sprintf('\\sigma = %0.2f', sigma), 'FontSize', 14, 'FontWeight', 'bold')
ylabel(' eigen frequencies', 'FontWeight', 'bold', 'FontSize', 16)
xlabel('Sample size', 'FontWeight', 'bold', 'FontSize', 16)
set(gca, 'FontSize', 16, 'FontWeight', 'bold')
saveas(gcf, sprintf('mean sigma = %0.2f.png', sigma))
end
Changes made -
Generalised the text to be displayed on the plot and filename of the image to be saved as, by including sprintf().
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