Community Profile

# Jeremy Marcyoniak

### MathWorks

48 total contributions since 2019

I work in Simulink documentation. Specifically in the Verification & Validation product area, I write primarily for Simulink Coverage.

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How to print : What's Your Name

12 days ago | 0

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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,:) =...

13 days ago | 3

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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...

17 days 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...

21 days 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...

23 days 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...

23 days ago | 0

3x3 matrix with while loop
n = 3; m = 3; A = zeros(n,m); while det(A) == 0 A = rand(n,m); end

1 month ago | 0

quick reference guide for plotting
https://www.mathworks.com/help/matlab/ref/plot.html#btzitot-LineSpec

1 month ago | 0

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input multi workspaces in function
Put the data into one array, pass it into the function, and parse the array inside the function?

1 month 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...

2 months 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;

2 months ago | 0

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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...

2 months 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...

2 months ago | 0

Matrix Shifting: columns to single row
A = [1 2 3; 4 5 6; 7 8 9] B = reshape(A',[1,numel(A)])

2 months 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

2 months ago | 0

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"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 ...

2 months 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...

2 months ago | 0

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Indexing portions of a vector with array

2 months 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...

2 months ago | 0

Interval where values are greater than treshold
I believe you are looking for the find command. find(Logic)

2 months ago | 0

How can I shade confidence intervals and assign colors to frequency spectra plot (pwelch)
The plot commands accept a 3 element vector in place of the built-in colors, each element being a number between 0 and 1 represe...

2 months ago | 0

Add error bars to grouped bar plot
Like this? https://www.mathworks.com/help/matlab/creating_plots/bar-chart-with-error-bars.html

2 months ago | 0

How map values of array to 0 and 1
normalized_array = normalize(array,'range',[0 1]);

3 months ago | 1

Brace indexing is not supported for variables of this type
Mu_s{:} < 1.0 && Mu_d{:} < 7.0

3 months ago | 0

Using now() in different time zones (or with daylight saving time)
From the documentation for now Limitations MATLAB Online returns the current date and time in Coordinated Universal Time (UTC...

3 months ago | 0

Having an array V from 0 to 44.8 in steps of 0.01, I try to use the function find(V == 30) and I get and empty array. Why?
I suspect this is a case of roundoff error. A workaround would be find(Volt > 29.999 & Volt < 30.001); Using whatever toleranc...

3 months ago | 0

The code runs, but imediately deletes the animation and does not update
delete(P1_pos_cir); delete(P2_pos_cir); delete(P3_pos_cir); delete(P4_pos_cir); delete(P5_pos_cir); ...

3 months ago | 0

Confusion manipulating timestamp and plotting
Is each number supposed to represent a datetime as a "datenum" data type? t = 0.0517361112797516; d = datetime(t,'ConvertFrom'...

3 months ago | 0

How to include string + numbers in a table using a for...end routine