I keep getting input error

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Jorge Rodriguez 2020-9-26

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评论： Jorge Rodriguez 2020-9-27

%r is r1 33 r2 47 = 80
% xl1 is 60 ohms xl 2 is 30 = 90
%z = sqrt(r^2 + xl^2)
%theta = atan2d(xl/r)
%ohms law i = v / z
v = input('volts:');
r = input ('resistance:');
i = current;
xl = input ('impedance:');
theta = atan2d (xl/r);
z = sqrt(r^2 + xl^2);
i = v / z;
disp ([' current is ' num2str(i) ' impedance is ' num2str(xl)']);

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回答（1 个）

KSSV 2020-9-26

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https://ww2.mathworks.cn/matlabcentral/answers/600433-i-keep-getting-input-error#answer_500971

编辑：KSSV 2020-9-26

在 MATLAB Online 中打开

You have to use Ohm's law instead of the unknown variable current.

Use fprintf instead disp.

%r is r1 33 r2 47 = 80
% xl1 is 60 ohms xl 2 is 30 = 90
%z = sqrt(r^2 + xl^2)
%theta = atan2d(xl/r)
%ohms law i = v / z
v = input('volts:');
r = input ('resistance:');
i = v/r ;
xl = input ('impedance:');
theta = atan(xl/r);
z = sqrt(r^2 + xl^2);
i = v / z;
fprintf ('current is: %f, impedance is %f\n', i,xl);