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# Andy

### Bentley Motors Ltd

Last seen: 23 jours il y a Actif depuis 2013

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Infinite Loop, Values not Updating
I don't have real values for n0 etc so I put some random numbers in and the resultant t(k) was generally small, much less than t...

plus de 2 ans il y a | 0

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simple error but i dont know
You have set Vgs with linspace but then refer to vgs in the code. This is possibly creating both errors as the current is calcul...

plus de 2 ans il y a | 0

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hey!! i am stuck here. i am new. help please.
You do not say why this is wrong, the code runs. Is there an issue with the number of nodes and the linspace. The question says ...

plus de 2 ans il y a | 0

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plot bar with two colors
figure(); hold on for i=1:length(A) if (Tr(i)<0) h=bar(Tr(i),EPR(i),'r'); else h=bar(Tr(i),EPR(i)...

plus de 2 ans il y a | 0

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Problem on bisection method in MATLAB
Valid starting points for a and b are the turning points of the function sin(x)-(x/10)=0. Determine the turning points then use ...

plus de 2 ans il y a | 0

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How to change only one input if needed?
I do not know how complex you have to get with the answer but, rather than using input(....) a better way would be to use app de...

plus de 2 ans il y a | 0

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Plotting multiple vertical lines with a for loop
SampleDepth is a matrix so cannot be used to generate the for loop. I think you meant to use the length of SampleDepth for i ...

plus de 2 ans il y a | 0

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'While' function
If this is your complete code it could be that i and j are not set or changed anywhere.

plus de 2 ans il y a | 0

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How can I convert latitudes in degree-minute format to decimal degrees?
latitudeDeg=floor(latitudes/100)+(rem(latitudes,100)*10/6)/100

plus de 2 ans il y a | 0

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Equating and plotting the ratio of two sets of data having unequal length.
In the simplest form, create variables for the two curves: data1 = [100 200 200.5 300 400;50 70 60 20 90]; data2 = [100.1 100....

plus de 2 ans il y a | 0

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store for loop outcomes in matrix
y=1; for x=33:0.5:35 %Then I write codes for fitting a mathematical model to a graph using x values of 0 to x to obtain pa...

plus de 2 ans il y a | 0

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How to scale a graph
Use this immediately after the plot command to specify how you want the axis to plot. ylim([-19 0])

environ 3 ans il y a | 0

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Error: Too many output arguments
Assuming that the information you want to return is dR_tow, change the first line of the function to function [dR_tow] = crn(to...

environ 3 ans il y a | 1

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creating 2 by 2 matrices having 3 entries same in all but 4th one different
Rather than using numbers as part of the variable name use a cell structure m{1} = [1 0; 0 f(x(1))] You can then easily use a ...

environ 3 ans il y a | 0

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How to pass data from a MatLab GUI to an .m file?
If you want an m file to ask for an input why not use inputdlg ? If you want the GUI to be the one that the user works with, ru...

environ 3 ans il y a | 0

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Index in position 2 is invalid. Array indices must be positive integers or logical values.
If the 3 lines of code are all you are running, where is i set when you attempt to reference it in line 3?

plus de 3 ans il y a | 0

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change the iteration in for loop
I don't think the For loop is what you need. i =1; while i<11 % calculate c if isnan(c(i))==0 & c(i)<=0.009 ...

plus de 3 ans il y a | 0

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How to import randomly named files from a folder into different matrices
If I understand correctly, try filename=strcat('c:\Users\Oleg\Desktop\Nuevo cartella\',names(1,:)); matrix=fopen(filename); O...

plus de 3 ans il y a | 0

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how can I change level of sine wave ?
x=(sin(2*pi*f*t)*32)+32;

plus de 4 ans il y a | 0

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add values to my matrix each time i click on the button gui
Each time the code runs you are setting the matrix A to its start value, a 2 x 3 matrix, then adding row three. The answer will ...

plus de 4 ans il y a | 0

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finding the duration of a sequence of data
positive = (data>0); % Identifies when the head is to the right. pos_count = sum(positive); % gives you the number of...

plus de 5 ans il y a | 0

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How to save each iteration of a loop into the same sheet of an Excel spreadsheet?
xlFilename = 'c:\data\filename.xls'; xlRange = strcat('A',int2str(i)); xlswrite(xlFilename,yourdata,'YourXLSheetName',xl...

plus de 7 ans il y a | 2

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Read txt file into a matrix
Try this, auto-generated by using the Import Data tool and the Generate Script option in the drop down menu of "Import Selection...

presque 8 ans il y a | 1

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Alert sound for warning me the program run overtime?
Set up a timer at the start of the code i.e. alert=timer('TimerFcn','beep','StartDelay',200,'Name','Timer-1') At the s...

environ 8 ans il y a | 0

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Editing of Excel file with Matlab
look in the help for xlsread and xlswrite I have used these several times without problems.

environ 8 ans il y a | 0

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Importing csv file in matlab
dlmread is for numeric only files. In your file you have text in the first row. Have you tried readtable ?

environ 8 ans il y a | 0

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Hi every one is there any way how to subtradt two matrices of different dimension let say A=<424x544x3uint8> and B=<462x545x3 uint8> How can we perform subtraction like S=A-B. Thanks
How about expanding the two inputs to generate matrices with matching dimensions, assuming A(1,1) lines up with B(1,1) As...

plus de 8 ans il y a | 0

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index out of bounds
I assume you have two variables which you are indexing to loop through the image i.e. for x = 1:50 for y = 1:50 ...

environ 9 ans il y a | 0

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index of out of bounds from txt
Hi Nicola, head=fscanf(fid,'%d',11) you are constantly changing the value of head, not incrementing it. Try: - fid=fo...

environ 9 ans il y a | 0