# Cameron

### MathWorks

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Answered
95% confidence bounds from logistic curve (curve fitter) give different results to plotting via equation in script
The graph you showed indicates the 95% prediction bounds. The coefficients you provided as a, b, and c have an uncertainty with ...

7 maanden ago | 0

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Answered
Moving standard Deviation and Average
Use movmean and movstd.

ongeveer een jaar ago | 0

Answered
How to align X and Y axis to middle of plot?
t = 0:5:360; x = cosd(t); y = sind(t); p = plot(x,y); p.Parent.XAxisLocation = "origin"; p.Parent.YAxisLocation ="origin";

ongeveer een jaar ago | 0

Answered
Find intersection point between two plotted lines
Looks like a stress-strain curve. Depending on the material, you could adjust the variable I named cutoff to 0.3*ymax or whateve...

ongeveer een jaar ago | 0

Answered
Loading .mat file problem
It looks like when the .mat file was saved, the variables weren't saved with their proper names. You could just keep it as it is...

ongeveer een jaar ago | 0

Answered
Plot different markers on the same graph based on “if-else” statement (third parameter) in AppDesigner
You should use indexing instead. t = readtable(Grid.xlsx,opts); app.UITable.Data = t; x = app.UITable.Data.Long; y = app.UIT...

ongeveer een jaar ago | 0

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Answered
How can I create a matrix of size nxn (user input) where all outside numbers are 1, incrementally decreasing by 1 each layer the matrix goes in?
n = 5; mymat = zeros(n); endVal = n; startVal = 1; for a = 1:ceil(n/2) indx = startVal:endVal; mymat(indx,indx) = ...

ongeveer een jaar ago | 0

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Answered
cla reset stops UIAxesButtonDown from working
cla(ax,'reset') Resets the ButtonDownFcn callback. I haven't tested this out, but can you just use this: myFun = ax.ButtonDown...

meer dan een jaar ago | 0

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Answered
appdesigner setting uistyle back to default
removeStyle(app.UITable)

meer dan een jaar ago | 0

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Answered
Why am I getting an error message on my code?
Try this instead estPiValues = zeros(numTrials,1);

meer dan een jaar ago | 0

Answered
How can I draw points with 3 column data
You can adjust your plot as needed. data = webread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1332705/tec...

meer dan een jaar ago | 0

Answered
Replace table elements in more than one row
You should look into how MATLAB does its indexing. You don't have to loop through the array to change a value. Just do it like t...

meer dan een jaar ago | 0

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Answered
Random rows in matrix so no element from the first column occur twice in a row
A = randi(100,5,8); A [~,randrow] = sort(rand(size(A,1),1)); RandA = A(randrow,:)

meer dan een jaar ago | 0

Answered
How i can convert a number in table to 6-digit decimal?
Do you mean 6 total digits or 6 digits after the decimal? For 6 total digits, you can do this: T = ([1:10;pi:pi:10*pi])'; MyA...

meer dan een jaar ago | 0

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Answered
App Designer: How to add components that are not listed in the library
For these, you need to specify the axis. For example, if you have a UIAxes component, you would do this: %for a sphere sphere(...

meer dan een jaar ago | 1

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Answered
Plotting Column X vs Column Y?
scatter(x(:,1),x(:,2))

meer dan een jaar ago | 0

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Answered
Adding Matrices into main diagonal of Matrix
Why would your matrix be 10x10 instead of 30x30? This is how I would do it if you haven't already calculated your tmp values ahe...

meer dan een jaar ago | 0

Answered
connecting sinus function with circle through animation
t=0:0.01:2*pi; x=3*cos(t); y=3*sin(t); tiledlayout(2,1) nexttile p1 = plot(t,y); axis square camroll(90) title('t vs. y'...

meer dan een jaar ago | 0

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Answered
How do I add to a structure in a for loop?
files = dir('*.mat'); for i=1:length(files) S{i,1}=load(files(i).name,"-mat"); end

meer dan een jaar ago | 0

Answered
How can I plot a second order differential equation with boundary condition using fourth order Runge-Kutta method?
Here is a list of built-in ODE solvers within MATLAB. Choose an ODE Solver - MATLAB & Simulink (mathworks.com)

meer dan een jaar ago | 0

Answered
Help creating a graph
m0_1 = 600; g = 9.81; T = 6500; Isp2 = 290; C1 = Isp2*g; me1 = T/C1; mf1 = 350; TB1 = (m0_1-mf1)/me1; VB1...

meer dan een jaar ago | 0

Answered
Average values with nan value
myArray = nan(8,1); %array of nan values indx = 1:2:7; %index to populate that array myArray(indx,1) = rand(length(indx),1) %...

meer dan een jaar ago | 0

Answered
Why if statement with odd and even number does not work in function and just skipped condition?
I suspect what's happening is that you're passing a vector or array into your mod() function. If all elements of your variable "...

meer dan een jaar ago | 0

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Answered
Error with plotting a massive text file data set.
data = readtable('Analysis1.txt'); plot(data.Var1,data.Var2)

meer dan een jaar ago | 0

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Answered
gradient of bubble colors in a bubble chart
I'm not sure what you mean by "continuous trend from left to right". Can you post an image of what you're looking for? This was ...

meer dan een jaar ago | 0

Answered
How to tilt the plot on the right to make it like the one on the left?
Use the "View" under the plot handle to update this. [X,Y,Z] = peaks(250); p = surf(X,Y,Z,'EdgeColor','none'); p.Parent.View ...

meer dan een jaar ago | 0

Answered
All my Values not getting stored. Only my Last Value is getting stored
You need to save values of theta_average, so you can index it this way. You go through a while loop then save it when you need t...

meer dan een jaar ago | 0

Answered
How can I change the variable (z) by any other variable such as (w) in the figures?
[X,Y] = meshgrid(1:0.1:10); Z = sin(X) + cos(Y); p = surf(X,Y,Z,'EdgeColor','none'); p = surf(X,Y,Z,'EdgeColor','none'); p.P...

meer dan een jaar ago | 0

Answered
I was using if and Elseif statements. Everytime I input the third option the print for the second option appears.
The way you've written this, your program checks for this first (p1 == 's') so, seeing that you've selected "s" it will always...

meer dan een jaar ago | 0

Answered
Extract upper triangle of matrix (using vector different from diagonal)
If you have the data in a form of X and Y data points, you can do something like this x = randi([220,800],100,1); %100 random x...

meer dan een jaar ago | 0