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Jonathan


Last seen: 6 months ago |  Active since 2011

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Unwanted editor behavior: whitespace only lines trimmed
I'm using MATLAB 2023a. Sometimes, when I have a line in an m-file with only whitespace then whitespace characters are removed f...

6 months ago | 3 answers | 3

3

answers

Solved


Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

6 years ago

Solved


Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

6 years ago

Solved


Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

6 years ago

Solved


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

6 years ago

Answered
pcolor
hand = pcolor(hadamard(20)) set(hand, 'linestyle', 'none')

12 years ago | 2

Answered
Functions with multiple variables
Ben, Here is a neat way of solving your problem. There are certainly more efficient methods. This was the least amount of c...

12 years ago | 0

Answered
Keep a variable in workspace when calling a function
The code below uses a persistent variable. The first time the function is run, the variable is given the value [] (the empty ma...

12 years ago | 0

Answered
How to use colormap for different bars.
See if this helps. y = [4.2; 4.6; 5]; %The data. s = [.3; .2; .6]; %The standard devi...

12 years ago | 8

| accepted

Answered
Matlab hermite interpolation
Try 'edit pchip'.

12 years ago | 0

Answered
Sphere into equal parts
If there are no restrictions on how to divide the sphere, then you can slice it like an orange.

12 years ago | 0

Answered
Plot axis limits
You can set the axis limits using ylim([290 420]) or xlim([290 420]).

12 years ago | 0

Answered
all possible permutations
You can use this method. It does not use cell arrays, which are conceptually convenient but rather inefficient. A = nchoosek...

12 years ago | 0