How display a log space bar figure ?

3 visualizaciones (últimos 30 días)
Mallouli Marwa
Mallouli Marwa el 25 de En. de 2020
Respondida: Akira Agata el 25 de En. de 2020
Hi I have plotted a bar figure but I want that the y axis log space.
Please can you rectify my code.
clear all
clc
maxV_l = [0.015232 0.020273 0.0069196 0.012027 0.010313 0.012567 0.014836 0.015071 0.016182 0.018388 0.013878];
maxV_m = [12.911 15.205 6.6378 10.659 9.3996 11.026 12.564 12.685 13.418 14.511 12.082];
maxV_h = [ 166.73 138.81 167.74 148.64 146.5 155.99 149.72 162.55 172.41 166.32 154.67];
% Create a vertical bar chart using the bar function
figure (1)
bar(1:11, [maxV_l' maxV_m' maxV_h'],1)
% Set the axis limits
set(gca,'xticklabel',{'PZT-5A','PZT-5H','PZT-7A','PZT-4','PZT-8','APC-8740','APC-850','SONOX-P504','SONOX-P508','PIC-151','PIC-255'});
% Add title and axis labels
xlabel('Material')
ylabel('|Peak Voltage| [V/g]')
% Add a legend
legend('Rl=100\Omega', 'Rl=100k\Omega', 'Rl=10M\Omega')

Respuesta aceptada

Stephan
Stephan el 25 de En. de 2020
% Set y-axis to log scale
set(gca, 'YScale', 'log')

Más respuestas (1)

Akira Agata
Akira Agata el 25 de En. de 2020
Please set YScale property of the axes to 'log'.
The following is an example.
maxV_l = [0.015232 0.020273 0.0069196 0.012027 0.010313 0.012567 0.014836 0.015071 0.016182 0.018388 0.013878];
maxV_m = [12.911 15.205 6.6378 10.659 9.3996 11.026 12.564 12.685 13.418 14.511 12.082];
maxV_h = [ 166.73 138.81 167.74 148.64 146.5 155.99 149.72 162.55 172.41 166.32 154.67];
% Create a vertical bar chart using the bar function
figure
bar([maxV_l' maxV_m' maxV_h'],1)
ax = gca;
ax.XTickLabel =...
{'PZT-5A','PZT-5H','PZT-7A','PZT-4','PZT-8','APC-8740','APC-850','SONOX-P504','SONOX-P508','PIC-151','PIC-255'};
ax.XTickLabelRotation = 45;
ax.YScale = 'log';
ax.YLim(2) = 1e4; % To make additional space for a legend
% Add title and axis labels
xlabel('Material','FontSize',12)
ylabel('|Peak Voltage| [V/g]','FontSize',12)
% Add a legend
legend('Rl=100\Omega', 'Rl=100k\Omega', 'Rl=10M\Omega')
bar.png

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