# Andy

### Bentley Motors Ltd

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**Feeds**

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...

meer dan 3 jaar ago | 0

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...

meer dan 3 jaar ago | 0

How to replace every non-0 number with the number in that place added to another number - no loops

A(A~=0) = A(A~=0) + B

meer dan 3 jaar ago | 0

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 ...

meer dan 3 jaar ago | 0

| accepted

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)...

meer dan 3 jaar ago | 0

| accepted

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 ...

meer dan 3 jaar ago | 0

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...

meer dan 3 jaar ago | 0

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 ...

meer dan 3 jaar ago | 0

'While' function

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

meer dan 3 jaar ago | 0

How can I convert latitudes in degree-minute format to decimal degrees?

latitudeDeg=floor(latitudes/100)+(rem(latitudes,100)*10/6)/100

meer dan 3 jaar ago | 0

| accepted

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....

meer dan 3 jaar ago | 0

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...

meer dan 3 jaar ago | 0

How to scale a graph

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

ongeveer 4 jaar ago | 1

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...

ongeveer 4 jaar ago | 1

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 ...

ongeveer 4 jaar ago | 0

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...

ongeveer 4 jaar ago | 0

| accepted

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?

meer dan 4 jaar ago | 0

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 ...

bijna 5 jaar ago | 0

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...

bijna 5 jaar ago | 0

how can I change level of sine wave ?

x=(sin(2*pi*f*t)*32)+32;

meer dan 5 jaar ago | 0

| accepted

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 ...

bijna 6 jaar ago | 0

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...

bijna 7 jaar ago | 0

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...

meer dan 8 jaar ago | 2

| accepted

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...

bijna 9 jaar ago | 1

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...

ongeveer 9 jaar ago | 0

Editing of Excel file with Matlab

look in the help for xlsread and xlswrite I have used these several times without problems.

ongeveer 9 jaar ago | 0

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 ?

ongeveer 9 jaar ago | 0

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...

meer dan 9 jaar ago | 0

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 ...

ongeveer 10 jaar ago | 0

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...

ongeveer 10 jaar ago | 0