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Daniel Bengtson


Last seen: 2 days ago |  Active since 2021

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Answered
How to change just the marker edge thickness and not the entire line thickness in plots?
Plot the data without markers then add a scatterplot overlay of whatever marker size and width you want. x = rand(1,10); y = r...

7 months ago | 0

Answered
How to specify number of decimals in table2word or writematrix
You can use fprintf to do that. fprintf fid1 = fopen('filename.csv', 'w'); fprintf(fid1,'%.4f',0.999763425634234234);

8 months ago | 0

Answered
How does one use a string vector to select rows from a table. The vector length and the table height are unequal
T = %your table X = {"AGAP004746", "AGAP004753", "AGAP004756"}; T1 = T(cell2mat(cellfun(@(x) any(strcmp(x,X)),T{:,1},'Unifor...

8 months ago | 0

Answered
Mean of an oscillatory trajectory
p = polyfit(t,X,2); % fit a second order polynomial to the data newT = linspace(min(t),max(t)); % 100 evenly spaced steps ove...

9 months ago | 1

| accepted

Answered
How to make a bus object?
Something like this should work. function create_Buses() % Bus object clear elems; elems(1) = Simulink.BusElement; ele...

9 months ago | 0

Answered
Strategies to optimize nested for loops?
If you are going to be looping many times through a set of operations with a goal of execution time or efficiency, you should ma...

9 months ago | 0

| accepted

Answered
how to change the font size in a plot (only for the axes numbers) for double axis figure
Save the axes handle when you create the plot rather than using gca. [AX,h1,h2] = plotyy(1:10,rand(10,1),1:10,rand(10,1)); set...

9 months ago | 0

Answered
How can i plot a line from an already plotted line?
% for a given value of X that lands on the defined range of the black line, % define the corresponding Y value X = 5; b...

9 months ago | 0

Answered
How can I crop the image from an specific boundary?
The mask and blur causes a bit of artifacting in the text, and there is obviously a bit of color outside of the boundaries. I'm ...

9 months ago | 0

Answered
How can I divide a whole circle into two sectors at an angle?
You could use the end points of the lines to generate a mask of that section of the image. Xpix = 480; Ypix = 480; figure; i...

9 months ago | 1

Answered
Creating a map with Longitude, Latitude, Concentration (vector of values over time)
This is an admittedly hackish workaround that I used to navigate the same issue you are having. No promises that it will work fo...

9 months ago | 0

Question


Why are pool workers going inactive while many iterations remain?
I have a task wrapped in a parfor loop where text data files are read then converted to numeric values and downsampled to common...

9 months ago | 1 answer | 2

1

answer

Answered
Index exceeds the number of array elements (1).
You are attempting to access an index of x1 that does not exist. index=randi([200000,300000],1,N_measurements); assigns a rand...

3 years ago | 0

Answered
Combine logical cell array based on 'or' condition
You could do something like this. C{1,1} = logical([1;0;0;0;0]); C{1,2} = logical([0;1;0;0;0]); C{1,3} = logical([0;0;1;0;0])...

3 years ago | 0

Answered
Consider Preallocating for Speed
You just need to initialize your vectors before entering the for loops. Something like the below sample would satisfy the preall...

3 years ago | 0

Question


Inconsistent Figure Behavior if Saved While Figure is Visible vs Saved While Figure is Hidden
I have run into an issue where I get a different saved png output if I save a figure while it is set to visible compared to when...

3 years ago | 1 answer | 0

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answer