Error using * Inner matrix dimensions must agree.

2018 3 5
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更新时间：2018 3 5
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Hello everybody,
I keep getting this error:
Error using *
Inner matrix dimensions must agree.
Error in ECE_102_PROBLEM_1_PART_F (line 8) iS_1 = (I/2) + (I/Vov)*(Vd/2)*sqrt( (1) - ( (Vd/2) / Vov ) * ( (Vd/2) / Vov ) );
Here is my code:
I = 100 % I_D_M5 = 100 uA
Vov = 0.1 % Vov of M1 = Vov of M2 = 0.1 V
Vd = 0:0.1:10;
iS_1 = (I/2) + (I/Vov)*(Vd/2)*sqrt( (1) - ( (Vd/2) / Vov ) * ( (Vd/2) / Vov ) );
figure(); plot(Vd,iS_1,'LineWidth',2); legend('Initial Droop Curve' ,'Final Droop Curve'); title('iS1 vs. input differential voltage'); xlabel('Input Differential Voltage, Vd (Volts)'); ylabel('iS_1, (A)');

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Walter Roberson
Walter Roberson 2018-3-5

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On that line change all the * to .*

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Ammar Babikir
Ammar Babikir 2018-3-5
It still doesn't work. Gives me this:
Error using * Inner matrix dimensions must agree.
Error in ECE_102_PROBLEM_1_PART_F (line 7) iS_1 = (I/2) + (I/Vov)*(Vd/2)*sqrt( (1) - ( (Vd/2) / Vov ) .* ( (Vd/2) / Vov ) );
Ammar Babikir
Ammar Babikir 2018-3-5
Nevermind I forgot to change all of the * expressions.
It works now. Thank you.

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