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# Alexandra McClernon Ownbey

Last seen: meer dan een jaar ago Active since 2019

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Question

count number of rows in csv outside of matlab
I have 10000+ csv files I would like to import into matlab. I only need the data from the first and last rows for inlet and exi...

meer dan een jaar ago | 3 answers | 1

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Question

Map triplets to a matrix
I have multiple structured meshes of a 2-D mesh that I merged together in pointwise (technically making it unstructured). The da...

ongeveer 2 jaar ago | 1 answer | 0

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Perform AND operations with multiple matrices
This may not be the most efficient way, but it works. I stored everything in a logical and then compared the k-dimension in that...

meer dan 2 jaar ago | 0

coonecting line closer to next xy coordinates based on distance
x = pointdbscan.x; y = pointdbscan.y; d = sqrt(x.^2+y.^2); dz = diff(d); xplot{1}(1) = x(1); yplot{1}(1) = y(1); j =...

meer dan 2 jaar ago | 0

Question

interrupt a function when it takes too long
Is there a way to interrupt a function that has been taking too long in a for loop and continue to the next iteration? I am call...

meer dan 2 jaar ago | 2 answers | 0

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Question

Plot a curve with its derivatives
I have data with the following information and coordinates (not the actual numbers, just an example): X Y dY/...

meer dan 2 jaar ago | 1 answer | 0

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How do I create a projectile motion code with inputs that outputs a graph?
Jake, are you entering your angle in degrees or radians? If you want to use degrees, use cosd and sind. You also don't need to ...

meer dan 2 jaar ago | 0

Question

Find delta 99 of the boundary layer
I am trying to find the location of delta 99 (99 percent of the max velocity) in my velocity profile in a nozzle. I have the cor...

bijna 3 jaar ago | 1 answer | 0

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Speed up resizing of app designer gui
For a gui, I always manually define the size a location of all my objects. I find it best to use normalized units. If I have sev...

bijna 3 jaar ago | 0

Plotting 3 function using mesh command
The best way to plot using mesh is to create three 2-D matrices with the same sizes. x = 0:.1:1; y = 0:.5:10; [xq,yq] = me...

bijna 3 jaar ago | 1

How to plot multiple plots using the same colour in a figure
You get the color that is used on the first plot and then use the same color for other plots. % random x and y values x = rand...

bijna 3 jaar ago | 1

Question

How can I refine a portion of my mesh?
I have a 2-D grid that needs to be very fine to capture the physics. The problem with using meshgrid or ndgrid is that it plots ...

bijna 3 jaar ago | 1 answer | 0