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# Willim

##### Last seen: 23일 전
15 2018 이후 총 참여 횟수

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USing BVP solver to solve 2-D Laplace’s equation?
I have confusion about how to use the bvp solver to solve the 2-D Laplace’s equation (∇2u=∂2u∂x2+∂2u∂y2=0) with in a boundary (r...

11달 전 | 답변 수: 1 | 0

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Intergrate a array over Tb?
If I have x=[0.2 1 0.485 0.13 0.11] , I have Tb=10ms and the fs=16*fb; %Sampling frequency Ts=1/fs; I would...

11달 전 | 답변 수: 1 | 0

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encoding NRZ polar as square wave ?
Hello I have tried to encode my binary information over specific interval in time fb= 1e3; % the channel da...

11달 전 | 답변 수: 1 | 0

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spectral density for an array ?
I have an array x = [ 4 5 5 6 4 2 6 7 4] , i would like to use fft to find the spectral density for x ? is there anyway to fin...

11달 전 | 답변 수: 1 | 0

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Multiply and shift ?
I would like to have a code that can generate the maltiplication for x after shifting them many time x=[1 2 4 1 3 4 5 1 3] I ...

11달 전 | 답변 수: 1 | 0

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I have array with different length I would put them in one matrix
I have different length arrays such as t1=[1 2 1 2 3 4]; t2=[2 4 5 5 2 2 434 3 4 32 3 2]; t3= [3 4 5 2 1 1 1 2 3 4 4 4 44...

12달 전 | 답변 수: 1 | 0

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I would add one variable inside function
I have x(t) and I would to create x(t+ta) by matlab code. For example if I have x(t)= 2t+3 , I need to create x(t+ta)= 2t+2ta+...

12달 전 | 답변 수: 2 | 0

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How Can I count the ascending runs in array ?
if I have an array such as x=[1 2 3 2 1 2 4 5] I would generate a binary array for binary search binaryarray= [1 1 1 0 0 1 ...

약 1년 전 | 답변 수: 1 | 0

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Error in function ?
when I run it I got the following error Undefined function or variable 'TBack'. Error in interp (line 18) TBack; Erro...

약 1년 전 | 답변 수: 1 | 0

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Extract the index and find the value in other array that have the same extracted index?
I have many arrays but in my question I'll minimize it to be understood for you. if I have t1=[ 1.0000 1.1000 1.2000 ...

약 1년 전 | 답변 수: 1 | 0

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Repalce zero element by the number before it ?
If I have array called N, N = [2 0 7 0 9 10 0 0 11 0 0 ]; I want to create new array M t...

약 1년 전 | 답변 수: 3 | 0

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Undefined function or variable 'Ybus' error ?
I am trying to run the load flow for 50buses. I have inserted the all parameters in the model but when I run the load flow I hav...

약 1년 전 | 답변 수: 1 | 0

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why load flows are not converging for ieee 39 bus system in matlab simulink? (with syn. machines)
I have same problem , any help ?

약 1년 전 | 0

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