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Alexandra McClernon Ownbey


Last seen: 3 years 前 |  自 2019 起处于活动状态

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统计学

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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...

3 years 前 | 3 个回答 | 1

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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...

4 years 前 | 1 个回答 | 0

1

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已回答
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...

4 years 前 | 0

已回答
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 =...

4 years 前 | 0

提问


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...

4 years 前 | 3 个回答 | 0

3

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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/...

5 years 前 | 1 个回答 | 0

1

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已回答
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 ...

5 years 前 | 0

已解决


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...

5 years 前

已解决


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...

5 years 前

已解决


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 ...

5 years 前

已解决


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...

5 years 前

提问


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...

5 years 前 | 1 个回答 | 0

1

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已解决


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...

5 years 前

已回答
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...

5 years 前 | 0

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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...

5 years 前 | 1

已回答
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...

5 years 前 | 1

提问


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 ...

5 years 前 | 1 个回答 | 0

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