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Rik


Last seen: Today
2,505 total contributions since 2017

E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.

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Answered
학교 정보 변경하는 방법
Even if sometimes staff members look on this forum and post from time to time, the help on this forum is mostly provided by peop...

2 hours ago | 0

Answered
Error "too many input arguments"
You misread the error message slightly. The source of your issue is here: disp ('code2 =', code2) The disp function only allow...

17 hours ago | 0

| accepted

Solved


Draw a 'Z'.
Given _n_ as input, generate a n-by-n matrix like 'Z' by _0_ and _1_ . Example: n=5 ans= [1 1 1 1 1 0 0 0 1 ...

22 hours ago

Solved


Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 . example: n=4 ans= [1 1 1 1 1 0 0 1 ...

22 hours ago

Solved


Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1. example: n=3 ans= [0 1 0 0 1 0 0 1 0] n=...

22 hours ago

Solved


Draw 'F'
Draw a x-by-x matrix 'F' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...

22 hours ago

Solved


Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1. example: x=4 ans= [1 1 1 0 1 0 0 1 1 0 0 1 1 1 1 0]

22 hours ago

Solved


Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

23 hours ago

Solved


Draw 'C'.
Given x as input, generate a x-by-x matrix 'C' using 0 and 1. example: x=4 ans= [0 1 1 1 1 0 0 0 ...

23 hours ago

Solved


Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2) Example: x=5 ans= [1 0 0 0 1 1 0 0 0 1 ...

23 hours ago

Solved


Draw 'J'
Given n as input, generate a n-by-n matrix 'J' using 0 and 1 . Example: n=5 ans= [0 0 0 0 1 0 0 0 0 1 0 0 ...

23 hours ago

Solved


Draw a 'X'!
Given n as input Draw a 'X' in a n-by-n matrix. example: n=3 y=[1 0 1 0 1 0 1 0 1] n=4 y=[1 0 0...

24 hours ago

Solved


Draw 'B'
Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 0 1 0 0 0 1 ...

24 hours ago

Answered
log base 10 plot
You're plotting a single value, but you left the default for plot, which is to only show lines, not markers. So your plot looks ...

1 day ago | 0

| accepted

Answered
nohup matlab - how to pass input to scripts
So actually your question is how to define a char array inside such a call. I suspect you simply need to escape the quotes: noh...

1 day ago | 0

Answered
For loop with use of larger than
It sounds like one of the functions related to histcounts is appropriate here. angles=rand(500,1)*2*360-360; pressure=sind(ang...

1 day ago | 0

Answered
How to use First button function codes "symbol name" in Second button function in App Designer
Don't use global variables. There are many other ways to share data between callbacks. You should probably store the variable in...

1 day ago | 0

| accepted

Solved


~~~~~~~ WAVE ~~~~~~~~~
|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...

1 day ago

Solved


Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

1 day ago

Solved


Draw 'E'
Draw a x-by-x matrix 'E' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...

1 day ago

Solved


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

1 day ago

Solved


We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

1 day ago

Solved


intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

1 day ago

Solved


Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

1 day ago

Solved


Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

1 day ago

Answered
How to sum different cells of cell array
Something like this should work: data={[1,2,3;4,5,6],[3,24,35;46,58,69]; [10,2,3;24,85,6],[11,22,33;54,15,16]}; data=perm...

2 days ago | 0

Answered
How to plot vectors with different lenght
You need to make sure your data matches up. You can either remove the x-values you don't have a y for, or add NaN values for tho...

2 days ago | 0

Answered
How to create a string that depends on user input variables?
You can create this text with sprintf and some minor tweaks: str=sprintf('p(%d)*x^%d +', [1:d;(d-1):-1:0]); str=strrep(str...

4 days ago | 0

Answered
Adding numbers in a row vector
You can do it with a for loop, but you should use cumsum instead.

4 days ago | 0

| accepted

Answered
I keep getting the error "Dimension argument must be a positive integer scalar within indexing range"
The trapz function does not allow an anonymous function as second input. You will need to calculate the y values. f= @(x) 2...

4 days ago | 0

| accepted

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