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# Chuguang Pan

### SCU

14 total contributions since 2019

Mechanical Engineer

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Answered
How do i find a maximum elements in a specific row ?
A=[1,2,3;4,5,6;7,8,9]; M=max(A(2,:))

2 months ago | 1

| accepted

Answered
rand command give different answer
All the random number functions, rand, randn, randi, and randperm, draw values from a shared random number generator. Every time...

2 months ago | 0

Answered
How we can generate generate a noise signal from gauss distribution ??
This is a example for generating a bivariate normal distribusion which is a duplicate of MATLAB Documentation. Maybe it can help...

2 months ago | 0

Answered
how to fix this error matrix dimension must agree
The p1 matrix is 1x100. nerst(:) will turn a matrix nerst which is 1x100 to 100x1. A matrix with size of 1x100 can't | with ...

3 months ago | 0

Answered
hello everyone, i am a noob using matlab. please help me i have an equation and 2 unknown variable
The equation μ=(μmax*Cs)/(Ks+Cs ) can be converted to μmax*Cs-Ks*μ=μ*Cs. μ=[0.011;0.059;0.053;0.149;0.125]; Cs=[430;428;...

3 months ago | 0

Answered
How can I iterate all three cases at once in one script?
Maybe you can use a for loop. You can store functions g1(x), g2(x), g3(x) as a cell array. Such as g1=@(x) sqrt(2*x+3); g2=@(x...

4 months ago | 2

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Answered
How to integrate this function numerically?
You can use Euler formula. V(n+1)=V(n)+h*f(R,V(n)), which f(R,V) is the right side of differential equation. But you need to kn...

4 months ago | 1

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Answered
How can I use a for loop to select values from a table that meet two conditions?
m=1; for i=1:height(tab) if(Aerobic(i)~=Anaerobic(i)) && Aerobic(i)>=0 && Anaerobic(i)>=0 secmet(m, 1:3)=tab(i, ...

4 months ago | 1

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Answered
How can I do this Matrix data operation?
It is Unworkable! For eaxample, every row of new matrix need that there must exist current and angle pairs which generate same ...

4 months ago | 0

Answered
How to collect a fraction in a certain equation?
Hi Fahmy. I try the matlab function factor, but it get the result as following. syms a b c d e f=(a/3)+(b/3)+(c/3)+(d/3)+(e/3...

4 months ago | 1

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Answered
Adding a column every nth column without replacing existing one
It is every 2th column. Now I put it in Answer this question rowA=size(A,1); colA=size(A,2); B=zeros(rowA,colA*2); B(:,1:2:2...

4 months ago | 1

Answered
regexp help when comparing strings
The function regexpi needs the second argument expression must be a regular expression! About what is regular expression, you c...

4 months ago | 0

Answered
Warning: Matrix is close to singular or badly scaled. Results may be inaccurate. RCOND = 7.252760e-17.
It seems that A-lamda*eye(n) is nearly singular, you should check it carefully! mabey you can use another computing method.

4 months ago | 0