How can i solve this problem 'sawtooth' for input arguments of type 'double'?

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marti rodriguez
marti rodriguez 2015-2-5
评论： marti rodriguez 2015-2-11
T=5*pi; A=1; x=-T:0.1:T; y=A*sin(x/3); y1=sawtooth(x,0.5); z=y<y1; ylim([-1.5,1.5]) subplot(1,2,1); plot(x,y); hold on; plot(x,y1); hold on; zlim([-1.5,1.5]) subplot(1,2,2); plot(x,z); hold on

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回答（1 个）

Mischa Kim
Mischa Kim 2015-2-5
Marti, the code looks fine. What happens if you execute a
clear
and then run your code again? Is this code part of a script or function or do you run it stand-alone in the command window?
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Mischa Kim
Mischa Kim 2015-2-6
sawtooth is part of the Signal Processing Toolbox, which you might not have installed and/or licensed. To check, try
which sawtooth
which should return something like
C:\Program Files\MATLAB\R2015a\toolbox\signal\signal\sawtooth.m
or
ver
which lists all of the installed toolboxes.

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