# Jeremy

### MathWorks

I am the doc writer for Simulink Coverage. My responsibilities include documenting new features, creating new examples, and maintaining existing documentation. My areas of interest are process control and nuclear reactor physics.

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**Content Feed**

How to load the function (.m) to the workspace when the simulink run?

It appears that you are using MATLAB R2021a on Windows. My understanding of your issue is that you've moved the model to a diff...

10 maanden ago | 0

| accepted

Why does my plot say undefined variable or function for X2?

Your code returns an undefined function or variable X error, because you try to define Areaofvertical = (Lv*X); before you hav...

meer dan een jaar ago | 0

Saving a struct property within a class object

classdef testclass properties (GetAccess=public, SetAccess=public) S number end methods ...

bijna 2 jaar ago | 0

Calling external function in ode45

function FractionY=ffy(y) Did you save this function as FractionY.m or as ffy.m? Because as it's written, the function is actua...

bijna 2 jaar ago | 0

any suggests, solutions ?

I changed one of them for you and re-attached it here.

bijna 2 jaar ago | 0

Unable to perform assignment because the left and right sides have a different number of elements.

Where is the definition of T? I am guessing that T is a vector, which makes su = hin*P*T*DX/Ac; a vector, and then you're trying...

bijna 2 jaar ago | 0

why isn't my code iterating?

Your while loop is converging on a value that is less than 1.2*120. Consider adding an additional parameter that breaks the loo...

bijna 2 jaar ago | 1

Receiving error vectors must be the same length when trying to plot.

T is 1x1 because none of your if statements are ever true. You want if t <= 144 %do things elseif t > 144 && t <= 358 ...

bijna 2 jaar ago | 0

| accepted

download 2019b update 3

https://www.mathworks.com/support/search.html/answers/473278-how-can-i-rollback-an-update?q=&fq=asset_type_name:answer%20categor...

bijna 2 jaar ago | 0

Set up a 6 element column vector f such that the value in row n of f is n/B

If I am understanding correctly, n is simply the row number. e.g. row 1 of f is 1/5, row 2 is 2/5 etc.

bijna 2 jaar ago | 0

How can I change the initial battery charge of the example microgrid in Matlab?

If you right click on the Battery_Simple_Dynamics subsystem, you can go to Mask -> Look Under Mask. Here, you will see that the ...

bijna 2 jaar ago | 1

| accepted

How to print : What's Your Name

fprintf('What''s your name\n')

bijna 2 jaar ago | 0

| accepted

How to set a legend with a label for two or more lines?

This isn't a particularly elegant solution, but I think it does what you want. x = linspace(0,0.5); for i = 1:3 y1(i,:) =...

bijna 2 jaar ago | 3

| accepted

How do I save a figure as the title of the figure?

Assign your title to an object th = title('WT 0HR', 'fontsize', 20); And extract the title string using dot syntax, and use it...

bijna 2 jaar ago | 0

Find data between min and max

Something like this? t = linspace(0,2*pi,201); y = sin(t); plot(t,y,'LineWidth',2) grid on hold on minid = find(islocalmin...

bijna 2 jaar ago | 0

Can't get tiled graph to show two lines inside of a loop, can anyone help?

I found two issues. One is, your plot commands are inside the nested FOR loop and they need to be outside the first END statemen...

bijna 2 jaar ago | 0

How can I find index from the cell array and then extract desired value from it.

Hi, Normally this would be easy using cell2mat because it appears each entry of the cell is meant to be a 1x3 array. However, l...

bijna 2 jaar ago | 0

3x3 matrix with while loop

n = 3; m = 3; A = zeros(n,m); while det(A) == 0 A = rand(n,m); end

ongeveer 2 jaar ago | 0

quick reference guide for plotting

https://www.mathworks.com/help/matlab/ref/plot.html#btzitot-LineSpec

ongeveer 2 jaar ago | 0

| accepted

input multi workspaces in function

Put the data into one array, pass it into the function, and parse the array inside the function?

ongeveer 2 jaar ago | 0

How can I run Simulink 'Build model' from the command line

I'm not sure if I'm understanding your use case completely, but I think you are looking for sim? sim('modelname.slx'); If that...

ongeveer 2 jaar ago | 0

Replace all instances of a value with random number

A = [0 1 0 1; 1 0 1 1; 0 0 1 1]; id = A==1; r = rand(1,nnz(id)); A(id) = r;

ongeveer 2 jaar ago | 1

| accepted

How to remove the table size below the table header; e.g., get rid of --> " 1×7 table "

The 1x7 table is not part of the table, it's part of the default display when you type a variable name with no formatting, you c...

ongeveer 2 jaar ago | 1

how to keep labels in matlab with multiplotyyy function ?

x = linspace(1,10,201); y1 = x.^2; y2 = log(x); pyh = plotyy(x,y1,x,y2); legend('x^2','ln(x)') ax = gca; xlabel('x') ax.X...

ongeveer 2 jaar ago | 0

Matrix Shifting: columns to single row

A = [1 2 3; 4 5 6; 7 8 9] B = reshape(A',[1,numel(A)])

ongeveer 2 jaar ago | 0

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Can the diff function go the opposite direction?

sure, flip your matrix with fliplr or flipud and then run diff

ongeveer 2 jaar ago | 0

| accepted

"Index exceeds the number of array elements (217)"

If you have 217 rows and you're trying to index row 478 then Matlab will throw an error also, the ,1 will need to be outside ...

ongeveer 2 jaar ago | 0

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How to find values in a range and save them to different arrays, repeatedly

target_times= randi(120000,1,64); bins = 10000:10000:120000; c = cell(12,1); c{1} = target_times(target_times < bins(1)); fo...

ongeveer 2 jaar ago | 0

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Indexing portions of a vector with array

I had to think about this for a while, but I think that this accomplishes the task you are looking for a = 1:12; id_start = [4...

ongeveer 2 jaar ago | 0

Having issues with a function: creates NxN matrix instead of a column vector

Are the inputs p, sigma, N scalar values or vectors? Does normrnd return a vector or a scalar? That seems to be a function you w...

ongeveer 2 jaar ago | 0