How generate one signale of this (in picture)

Question

chikha said 2014-7-20

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https://ww2.mathworks.cn/matlabcentral/answers/142667-how-generate-one-signale-of-this-in-picture

回答： Image Analyst 2014-7-20

hi how are you? please i want to generate one of this four signale ploting in the picture attached. I know how genrate the signale lik sin, cos, sawtooth,...,etc but this signale i don't know how! please help me or tell me how i can genrete it. thank's in advance

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Answer 1

Image Analyst 2014-7-20

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https://ww2.mathworks.cn/matlabcentral/answers/142667-how-generate-one-signale-of-this-in-picture#answer_145771

在 MATLAB Online 中打开

Pick one of the four signals, say vt1, and assume you have the time values in an array called t. Then plot it:

plot(t, Vt1, 'y-', 'LineWidth', 2);
ylabel('Vt1 (m/sec)', 'FontSize', 16);
xlabel('Time (s)', 'FontSize', 16);

If you want the others, do

hold on;
plot(t, Vt2, 'r-', 'LineWidth', 2);
plot(t, Vt3, 'k-', 'LineWidth', 2);
plot(t, Vt4, 'b-', 'LineWidth', 2);
ylabel('Vt1, Vt2, Vt3 and Vt4 (m/sec)', 'FontSize', 16);
xlabel('Time (s)', 'FontSize', 16);
legend('Vt1', Vt2', 'Vt3', 'Vt4');