Answered
Plotting Velocity p m m m
This is a boundary value problem. You need to have the initial and boundary conditions to develop the velocity field required fo...

3 meses ago | 0

Answered
How to make binary file for each iteration in a loop?
I think, instead of the code creating "only the last file", it is overwritting the same file, so you end up with only one file. ...

3 meses ago | 0

Answered
Plotting the average line of a graph of a column imported from an excel
Not sure, where you are getting the error. I tried this % some random numbers x=rand(15808,1); % get the average by usi...

3 meses ago | 1

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Answered
Calculate volume of cylindric tank
Try this: function [tank_volume mA_points fuel_level mA_reading] = get_tank_volume(tank_diameter, tank_length, sensor_read) % ...

3 meses ago | 0

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Answered
Location of the "end" statement of the main function in a m. file?
If you have 'end' at the end of a file, then your functions become 'Nested functions'. The variables created inside the function...

3 meses ago | 1

Solved


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

3 meses ago

Solved


Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

3 meses ago

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

3 meses ago

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

3 meses ago

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

3 meses ago

Solved


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

3 meses ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

3 meses ago

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

3 meses ago

Answered
Output a video in MATLAB
Try this video = VideoWriter('Helix.avi','Uncompressed AVI'); open(video); h=figure(1); hold on; for t = 2:100001 % ...

3 meses ago | 0

Answered
Data extraction and indexing of array
If your data size changes throughout the structure then load them into a cell array and access each entry. nid = 5; xposdata =...

3 meses ago | 0

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Answered
Plotting a graph through the points
You mean fitting a curve or polynomial function through the points? Read: polyfit and you can modify the examples given there ...

3 meses ago | 0

Answered
Saving an imagesc file as .png without the white borders?
Try: print(I,filename,'-dpng'); By white border if you mean the background outside the figure, then you would have to export ...

3 meses ago | 0

Answered
About copying txt to matrix
Try this: https://www.mathworks.com/help/matlab/ref/fscanf.html Look at the examples given there you should be able to do it i...

3 meses ago | 0

Answered
Sizing array to add to a 3D array
You are changing the array size which is not how you do to store something. You are trying to store multi-dimensional array in a...

3 meses ago | 0

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Answered
Expression representation in an Iteration
Something like this ? w_k(nx) = 0; w_k_n(n_iter) = 0; for i=1:nx w_k_n(1) = w_k(i); for j=1:n_iter ...

3 meses ago | 0

Answered
Identify first and last indicies of numbers in an array containing NaN's
Try this: % Instead of diff, just loop through the indices to see the order and group them your_nan_indices = [2, 3, 4, 5, 9...

3 meses ago | 0

Answered
Plotting a field from a struct inside a struct
Try this: nBlobs = numel(BB); h = figure; clf; hold on; for i = 1:nBlobs x = i; temp = BB(i).blob; temp_s...

3 meses ago | 1

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Answered
Replace values in grid data (3D) to NaN, like another (3D) have NaN
I don't know if I understood your question properly, but here goes: If you have NaN values in SST matrix and would like to repl...

3 meses ago | 1

Answered
Help storing values for Ma and Cd so I can create a plot for them.
The problem is inside the for loop. Change this V = sqrt((Vx(n-1))^2 + (Vy(n-1))^2); %V = velocity [ft/s] Ma = V/c; % Ma num...

3 meses ago | 0

Solved


Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

3 meses ago

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Symmetry of vector
Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

3 meses ago

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Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

3 meses ago

Answered
Averaging subsets of a large dataset
It can be achieved by getting the indices of unique values for the latitude and longitude once you sort the matrix based on them...

3 meses ago | 1

Answered
Different Scales on same plot
May be give this a try: z=1:2:100; y=log(z); % Dummy log profile h=figure(1); h.Color=[1 1 1]; subplot(1,5,1) p1...

3 meses ago | 1

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Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

3 meses ago

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