Matlab onramp problem 44934 plot damped sinusoid
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Below is the code I have put in for the above problem but although it seems to plot a graph in line with what the problem asks for it gets the error:
Undefined function 'minus' for input arguments of type 'matlab.graphics.chart.primitive.Line'.
function m = plot_cos(y, t)
m = plot(t, y, '--b')
hold on
[ymin idx] = min(y);
m = plot(t(idx), y(idx), '*r')
hold off
end
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回答 (2 件)
Zhen Yang Chua
2020 年 10 月 2 日
function m = plot_cos(y, t)
m =plot(t,y,'b--')
hold on
[ym idx]=min(y)
m=plot(t(idx),ym,'r*')
hold off
m=ym
end
The problem requested that the minimum is returned as the output for m, your code missed that part.
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Jon
2020 年 8 月 7 日
編集済み: Jon
2020 年 8 月 7 日
The code that you show seems to be OK. I suspect that one of the arguments (y or t) in the script or function that is calling plot_cos(y,t) is not a vector of double values. Somehow you are passing it the wrong type of argument. Check to see where you assign the variables y and t in the calling program.
Also check to see is the error really coming from the plot_cos(y,t) or do you have some more lines of code after you make the plot, and the error is coming from one of the later calls.
If you are still stuck, please attach your full code that reproduces the problem.
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