2d plot for imaginary
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Sorry for the trouble.I have a question to ask.Below is the code that i have written:
x4 = 0:pi/30:2*pi; % x vector, 0 <= x <= 2*pi, increments of pi/30
x4a=(137.*267.^(1/2).*111819872067690549716262153787.^(1/2).*1i.*(71289 - 2500.*x4^2).^(1/2))./785298692348313600 - (748846716930964699.*x4)./15705973846966272;
y4a=-sqrt(5.34^2-x4a^2);
plot(x4,x4a)
The problem is whenever i simulate it,they are saying Error using ==> mpower Inputs must be a scalar and a square matrix.
I have already put the . and even the imaginary part i have put 1i.What is wrong with it?
Thank you.
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the cyclist
2011년 2월 25일
As you seem to have remembered in some places, but not others, you need ".^" to do element-wise raising to a power. Correcting this error in two places gives:
x4 = 0:pi/30:2*pi; % x vector, 0 <= x <= 2*pi, increments of pi/30
x4a=(137.*267.^(1/2).*111819872067690549716262153787.^(1/2).*1i.*(71289 - 2500.*x4.^2).^(1/2))./785298692348313600 - (748846716930964699.*x4)./15705973846966272;
y4a=-sqrt(5.34^2-x4a.^2);
plot(x4,x4a)
That code runs, but gives a warning about ignoring imaginary parts of your complex input. Maybe you can sort that out yourself?
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