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ME


445 total contributions since 2016

Working in mathematical biology.

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Answered
Finding a trendline from a scatter plot
MATLAB can do this if you make your scatter plot and then in the figure window go to "Tools -> Basic Fitting". That will then al...

3 hours ago | 1

| accepted

Answered
Problems using parfor due to way variable is used
I think the answer to the below question might be of use to you here. https://uk.mathworks.com/matlabcentral/answers/404809-how...

6 hours ago | 0

Question


Adjust z-axis location for a pcolor() plot
I am attempting to vertically stack a number of pcolor plots within the same set of axes and then overlay some contour lines ont...

9 hours ago | 0 answers | 0

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answers

Answered
add to a vector by plus 1 and plus 2
I think this should do what you are after X = [1;2;3]; for i=1:3 X(i) = X(i)+i; end Another way would be to do: X = [1;2;3...

9 hours ago | 0

Answered
load .mat files into a loop
You could store the filenames for your arrays into an array (possibly cell array might be better if they aren't all the same num...

3 days ago | 1

| accepted

Answered
How to plot a matrix with reoccurring values?
Take for example a matrix: vals = [1 1;2 1;2 2; 1 2; 1 3; 2 3; 2 4; 1 4]; which is of the form you describe above. Then do: p...

3 days ago | 1

| accepted

Answered
Problem finding the index?
The problem is the precision which which your machine is able to store numbers. You are asking MATLAb to find an exact match to ...

3 days ago | 0

| accepted

Answered
Finding index (x value) of noisy data crossing a threshold value
idx = find(SmoothedData > Threshold); Width = Xdata(max(idx)) - Xdata(min(idx)); Here the first line finds all indices of poin...

5 days ago | 0

Answered
How to change Marker Color in line graph?
Can you try the below and let us know what happens please? I don't have the necessary toolboxes to check it myself. load('MCA_D...

7 days ago | 0

| accepted

Answered
How Change Matrix Shape / Setting
Not necessarily a pretty solution but the below will do what you want for the given table. Should give you enough of an idea of ...

7 days ago | 1

| accepted

Answered
How to rewrite the maximum element of an array by an avarage
So, if I have interpreted your question correctly then you have an array (say A) and you wish to find the maximum valued element...

7 days ago | 0

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Answered
Concatenate 8X4 matrix in 16X2 matrix in matlab
This should do it: B = [A(:,1:2); A(:,3:4)]

7 days ago | 1

| accepted

Answered
HELP NEEDED_ODE45MATLAB
Your problem here is that you haven't passed your parameters into the function. The line: function dY=ODEfun(t,Y,a,b,c,E,h1,N,D...

7 days ago | 0

Answered
Why don't you draw the line of vectors on the graph?
I think this is because you are plotting inside your while loop. Here you are telling it to plot one data point each time and so...

7 days ago | 0

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Answered
How can I use one matrix to assign values to a second matrix using a for loop?
Based on your definition there is nothing to diffuse. If the values is the same all along your domain then there won't be any ch...

10 days ago | 1

| accepted

Answered
Find zeros of numeric function
You could use fzero for this. Only issue is that it returns the zero closest to a chosen start point, therefore I've put a loop ...

10 days ago | 0

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Answered
Plotting a matrix in a for loop.
You have a couple of options here. One is that you store all of the steps of the Markov chain during the for loop and then plot ...

12 days ago | 0

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Answered
change scale for colorbar
Have you tried looking at the below link - seems like that might do what you want https://uk.mathworks.com/matlabcentral/answer...

12 days ago | 0

Answered
problem in maximizing figure window in matlab 2016a
If you are using R2018a or after then you can use f = figure; f.WindowState = 'maximized'; to maximise the figure window. To ...

12 days ago | 0

Answered
White lines in 2D figure when exporting it
There isn't an accepted answer, but the following question has a lot of potential pointers that might be of use. https://uk.mat...

12 days ago | 0

| accepted

Solved


Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-6...

14 days ago

Solved


Connect Four Win Checker
<http://en.wikipedia.org/wiki/Connect_Four Connect Four> is a game where you try to get four pieces in a row. For this problem, ...

14 days ago

Solved


Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

14 days ago

Solved


Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

14 days ago

Solved


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

14 days ago

Answered
Why does my ticks/ticks label not match the colour in my colour bar?
Not sure how to do it programatically but in the figure window you can go to "Edit -> Colormap..." and then move the little arro...

14 days ago | 0

Answered
Adding RAM would it speed up the computations done by Matlab?
Increasing your RAM will only really be beneficial for operations on large matrices. If you are struggling with the speed of a s...

17 days ago | 0

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Answered
Find element index of one array which is equal to the values from another array
A = [1,1,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,4]; B = [1,1,1,1,1,1,3,3,3,3]; u=unique(B); C=[]; for i=1:numel(u) C=[C find(A...

17 days ago | 1

| accepted

Answered
What timestep does my ode15s solver use?
Assuming you call ode15s with [t,y]=ode15s... then you can just use diff(t) which will show you the difference between each of...

18 days ago | 0

Answered
Solving a cubic function to get one numeric result?
You aren't going to solve this properly by getting an output of one numerical solution because a cubic equation does actually ha...

20 days ago | 0

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