MATLAB: Axes plot

plot

I have plotted BER. Default Y axes values ranges from 10 power minus one to 10 power minus 2..

I need to set y axis values as 10 power minus 6… How to insert our own range

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doc axis

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MATLAB: Display negative values on logarithmic graph

Plot the logarithm of the absolute value of y multiplied by sign of y, and the change labels:

x = linspace(0,3,10000);
y = 1e6*exp(-x).*(sin(10*x)-0.5);
plot(x,y)
figure
Y = sign(y).*log10(abs(y));
plot(x,Y,'.')
yl = get(gca,'ytick');
set(gca,'yticklabel',sign(yl).*10.^abs(yl))

MATLAB: How to format the axis of the plot

%OPTION 1: Overwrite the XTickLabel property of the axes. (Simpler code but messy plot)
plot([1:10]*10^6, 1:10)
XTick = num2cell(get(gca, 'XTick'));
XTickLabel = cellfun(@(x) sprintf('%0.0f', x), XTick, 'unif', false);
set(gca, 'XTickLabel', XTickLabel, 'XTickLabelRotation', 90)
%OPTION 2: Determine what power was used, then adjust the x-axis name and XTickLabel. (Cleaner plot)
plot([1:10]*10^6, 1:10)
XTick = get(gca, 'XTick');
XTickLabel = get(gca, 'XTickLabel');
XTickLabelNum = str2double(XTickLabel{end});
Power = log10(XTick(end)/XTickLabelNum);
if Power ~= 0
  xlabel(sprintf('X TEXT (x 10^{%d})', Power))
else
  xlabel('X TEXT')
end
set(gca, 'XTickLabel', XTickLabel)

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Related Solutions

MATLAB: Display negative values on logarithmic graph

MATLAB: How to format the axis of the plot

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