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Alexandra McClernon Ownbey


Last seen: plus de 3 ans il y a |  Actif depuis 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...

plus de 3 ans il y a | 3 réponses | 1

3

réponses

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...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
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...

plus de 4 ans il y a | 0

Réponse apportée
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 =...

plus de 4 ans il y a | 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...

plus de 4 ans il y a | 3 réponses | 0

3

réponses

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/...

presque 5 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
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 ...

presque 5 ans il y a | 0

A résolu


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

environ 5 ans il y a

A résolu


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

environ 5 ans il y a

A résolu


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

environ 5 ans il y a

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

environ 5 ans il y a

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...

environ 5 ans il y a | 1 réponse | 0

1

réponse

A résolu


Squares in Squares - Concentric Squares
Given a number, n, create an n x n sized matrix with concentric squares of 1s from the outside in. There should be a gap between...

environ 5 ans il y a

Réponse apportée
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...

environ 5 ans il y a | 0

Réponse apportée
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...

environ 5 ans il y a | 1

Réponse apportée
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...

environ 5 ans il y a | 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 ...

environ 5 ans il y a | 1 réponse | 0

1

réponse