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Working in mathematical biology.

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Issues with findpeaks()
I must stress that I am not sure and I don't have acces to the Signal Processing Toolbox to check. However, have you tried rever...

4 years ago | 1

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Answered
hide legend for certain curves in a Matlab plot
If you aren't fussed about actually doing this within the code then you can select the lines, open up the property editor, find ...

4 years ago | 11

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Answered
Loop and write into a cell
This part of your code: for k=1:10 c{k}=sum(p(1:,k) 1)) end has two open (left) brackets and three close (right) b...

4 years ago | 0

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Need to solve a nonlinear ODE using matlab
There are a range of ODE solvers available in MATLAB that could do this. The following link can help you pick which one is most ...

4 years ago | 0

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HELP! My for loop code won't produce a line on the graph I plot
I'm not 100% sure but I'd guess you want the last line to be: semilogx(A,F) because otherwise everything is plotting at the sa...

4 years ago | 0

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How to write this matlab code?
Assuming you want the mean of the whole matrix (not mean by row/column or something else) then the first line will be: A = (B -...

4 years ago | 0

Answered
Jumping over several loops
There are a few ways of doing this. They have largely been covered in the below links: https://uk.mathworks.com/matlabcentral/a...

4 years ago | 0

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Smooth bad data in MattLab
I think you could easily do this by using find to locate the indices of all values lying in the shifted range. This would be som...

4 years ago | 0

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How to select certain columns of a matrix only when the values in the 4th row are bigger than three values of the other four rows in that particular column?
For the example in your question, the following will work: [~,c] = size(A); a = ones(1,c); for col = 1:c if((sum(abs(A(4...

4 years ago | 1

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Finding indices of first maximum value and last minimum value of a square wave
You could use f = find ( y > threshold ) to find the indices corresponding to all values that exceed some threshold value. The...

4 years ago | 0

Answered
Hi, I have set of values for x (x = 1:10) and I have a equation y = x^(1/2)/x, how can i get and display an array of values of y from the x's ?
I don't know how you've got one number but I think you should be using: x = 1:10 y = x.^(1/2)./x

4 years ago | 0

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how can i save variables in a for loop?
If your issue is how to get the file names then you can use: save( strcat( 'DesignResults_', num2str(n) ); within your loop an...

4 years ago | 0

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How to show first value on axis cuted with xlim?
Sorry, that's my fault. In that case you'll need to change the tick locations - see the below for more information. https://uk...

4 years ago | 1

Answered
How to show first value on axis cuted with xlim?
I just tried your way and I am getting the zero showing up on the x-axis so I'm not sure what is going on there. As an alternat...

4 years ago | 1

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Brace indexing is not supported for variables of this type
I think Walter was onto the right thing in his comment. new_precipitation is of type 'double' and so doesn't support brace (i.e....

4 years ago | 2

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Adjust z-axis location for a pcolor() plot
Okay, so just in case anybody has been looking here anticipating an answer and been disappointed. I have managed to figure this ...

4 years ago | 2

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Answered
How to solve Iteration Equation ?
You just need to choose how many iterations you want to do, for example: n = 1; You then need an initial value to feed into th...

4 years ago | 0

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duplicate values in array
You can use the repelem function as follows: repelem(angvel,10) to get each value repeated ten times . If instead you wanted ...

4 years ago | 1

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Answered
Consolidating counts & sum by Year Range
If you wanted to get an array containing the sums for all of your defined ranges then you could begin with R = [2001 2003; ...

4 years ago | 0

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Calculating results for Partial Sums
The main problem here is that you arent actually summing the y values as you go along. You are not adding y to the sum like you ...

4 years ago | 0

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Answered
How to save quiver3 arrow plot as vector graphic pdf
Have you tried looking at the answers in the following link: https://uk.mathworks.com/matlabcentral/answers/2755-printing-figur...

4 years ago | 0

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Replace all instances of a value with random number
I am currently trying to replace all instances of the value 1 in an array with a different random number. For example, if I hav...

4 years ago | 1 answer | 0

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Asking for user input only once with input, or take values like pi/3 with inputdlg
When you use the inputdlg function and input something like pi/4 it appears to save everything as a cell array of strings. You c...

4 years ago | 1

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how do i find the closed form solution of this differnce equation? pls help! (not in matlab script)
Assuming you just want to find the equilibrium value rather than a solution for all time. Then just set y = y_n = y_(n-1) and re...

4 years ago | 0

Answered
How is R-square calculated in curve fitting tool for LAR and bisqaure robust fit option?
Does this link help at all? https://uk.mathworks.com/matlabcentral/answers/183690-what-is-the-difference-between-lar-and-the-bi...

4 years ago | 0

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import data and plat a 3D
I think you are correct about the need to interpolate. You could try having a read of the link below - that should give you some...

4 years ago | 0

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Legend Colors not according to figure
Walter Roberson is correct in his comment. You can find more information on how to sort this in the following links: https://uk...

4 years ago | 1

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Answered
How to add plot in the outside with 2 for loop ?
When you are plotting inside the for loop, I'd bet you are plotting collections of 7 data points each time around the loop (i.e....

4 years ago | 0

Answered
Merging two irregular curves ??
When you say merge, I'm assuming you simply want to add together the value of the two curves at each point along them. If so the...

4 years ago | 0

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Values over 1000 use e
For the first part of your question, you can use: format longG which will allow you to see the maximum possible number of digi...

4 years ago | 0

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