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Paul Rogers


15 total contributions since 2019

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Question


simple for cycle!
I have one vector: massa=massa = -0.2000 -0.1932 -0.1729 -0.1397 -0.0946 -0.0386 0.0265 0.0...

3 Monate ago | 1 answer | 0

1

answer

Question


where are my data?
I plot a figure by using a function from a package. Now I'd like to know the x and y values once I plot the curve. Where are t...

3 Monate ago | 1 answer | 0

1

answer

Answered
selection of certain data from matrix
I finally did this way: for i=1:length(FlowMeasurements) if FlowMeasurements(i) < 0 CompressorMapMatrix(:,i) = ...

3 Monate ago | 0

| accepted

Question


selection of certain data from matrix
Hi, my problem is that I have 3 matrix: FlowMeasurements, psic_pos_cheb and psic_neg_cheb. I need a matrix done this way with:...

3 Monate ago | 2 answers | 0

2

answers

Question


Polyfit minus one term
Hi, and happy new year. I need a 3rd order polynomiial approximation for the file Data001 in attached. I can use polyfit but I...

3 Monate ago | 2 answers | 0

2

answers

Question


Too many output arguments.
I've found this code that may help me a lot. I cannot run, it keeps saying: Error using type Too many output arguments. my v...

4 Monate ago | 1 answer | 0

1

answer

Question


Reference to non-existent field 'D1t'.
hi there, I need to run the file "Integration" I found in the web. the input parameters are: N: 54000 Pin: 100000 T: 303.35...

4 Monate ago | 1 answer | 0

1

answer

Question


divide a matrix per a vector
Hi, I have a matrix A(7x1001) and a matrix B(1x7). I'd like to divide the first row of A for the first colum(element) of B, se...

4 Monate ago | 1 answer | 0

1

answer

Answered
polyfit and polyval problem
here we are, I think I found the solution. I can select only a portion of that curve and take the x and y values, then the co...

4 Monate ago | 0

| accepted

Question


polyfit and polyval problem
Hi there, I am trying to plot a line using the ployfit and command x and y are the coordinates in attached xy the plot. I ca...

4 Monate ago | 1 answer | 0

1

answer

Question


Subtracting Vector from a Matrix
I have the matrix a (8x1001) and b (1x1001) as in attached. a and b can change in size. How do I substract b from each row of ...

5 Monate ago | 2 answers | 0

2

answers

Question


Legend in a "for loop"
hi, I need to insert a legend for each ii evalueted. giri can change in size at every simulation. for ii=1:length(giri) fig...

5 Monate ago | 1 answer | 0

1

answer

Question


find elements vector in a matrix
Hi, I have a matrix A 3x1201 and a vector B 3 elements. (A and B can change size but B will alway have the size of A row's). ...

5 Monate ago | 1 answer | 0

1

answer

Question


How do I plot eta only when it's then 0?
Hi everybody, and thanks for your help. I need some help for the gollowing code: print rendimento only when eta>0 evalute p02...

6 Monate ago | 1 answer | 0

1

answer

Answered
How do I plot eta only when it's then 0?
Thank prasanth, I did it before, but it's not working properly, it only plots 2 of the 3 desired lines if I put the plot in the ...

6 Monate ago | 0