**Statistics**

RANK**756**

of 293,231

REPUTATION**96**

CONTRIBUTIONS

**15** Questions

**30** Answers

ANSWER ACCEPTANCE **
53.33%
**

VOTES RECEIVED**24**

RANK

of 20,009

REPUTATION**N/A**

AVERAGE RATING**0.00**

CONTRIBUTIONS**0** Files

DOWNLOADS **0**

ALL TIME DOWNLOADS**0**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Feeds**

Question

Golf Recamán's sequence

Recamán's sequence described in pseudo-code is as follows: A(0) = 0 A(n) = A(n-1) - n if A(n-1) - n > 0 and is new, else...

10 years ago | 1 answer | 0

### 1

answerQuestion

Can I find out in which release a function was introduced?

Sometimes I get error messages saying stuff like: Undefined function 'savefig' for input arguments of type 'char' or ...

10 years ago | 2 answers | 1

### 2

answersQuestion

x = 0:0.1:10... What's going on, really?

Please have a look at the following example: A = 0:0.1:0.4; find(A == 0.3) ans = Empty matrix: 1-by-0 fi...

10 years ago | 3 answers | 2

### 3

answersFinding integers between two vectors

A= [4.54 5.11 9.58 15.04]; B= [1.01 3.2 5.5 16.98]; C = sort([A; B]); C(1,:) = ceil(C(1,:)); C(2,:) = floor(C(...

11 years ago | 0

| accepted

Question

Using bsxfun for non-numeric data

Is there an equivalent to bsxfun for non-numeric data? For example, I want to compare all pairs of strings stored in two cell...

11 years ago | 3 answers | 3

### 3

answersQuestion

Find row number of elements

Hi, I have a list of branches, |BL|, and a list of nodes, |nodeList|. BL has two columns, containing to-from nodes for each b...

11 years ago | 1 answer | 0

### 1

answerjoin two matrices together

C = reshape([A; B],177,8) Good luck! - Rob

11 years ago | 1

| accepted

what is the meaning of BW = ~ BW?

It gives you back the inverted binary matrix BW. That means, all 1's turns to 0's, and vice versa. In plain text: BW = not...

11 years ago | 1

Question

Format axes in plot

Is it possible to color a single number (or a set of numbers) on one of the axes in Matlab? Suppose I have a plot: plot(...

11 years ago | 1 answer | 0

### 1

answerQuestion

Legend in biograph plot

I have a |biograph| object, and I want to "color-code" the edges and vertices. Is it possible to get legends in the biograph...

11 years ago | 0 answers | 1

### 0

answersMean of 2 arrays

One way would be: mean(mean([imag{1} imag{2}])) If the dimensions don't match: mean([imag{1}(:); imag{2}(:)])

11 years ago | 1

Adding two different size matrices

You can't add matrices of different dimensions. The transpose of A has dimension (50x100) Think of it: A = [1 2 ...

11 years ago | 0

| accepted

Question

Speed up sparse matrix calculations

Is it possible to speed up large sparse matrix calculations by e.g. placing parantheses optimally? What I'm asking is: Can I ...

11 years ago | 0 answers | 0

### 0

answersExplanation of the code

The input to |cosd| and |sind| are in degrees, whereas it is in radians for |cos| and |sin|. l = sind(alpha)*b; % the verti...

11 years ago | 1

Question

Profiling for cells instead of functions

I have a function that in turn calls many more functions. I want to use the profiler to identify what parts of the code is most ...

11 years ago | 1 answer | 1

### 1

answerQuestion

Finding the difference between columns in matrix without loops

I have the results from an iterative process, where the results from each iteration is placed beside eachother, like this: ...

11 years ago | 1 answer | 0

### 1

answerNot enough input arguments

Use lower case m, or some other letter that can't be mixed with upper case M, as indices in your for-loops, and you'll get there...

11 years ago | 0

Please tell me what's wrong here with the exp (1j*theta)

The reason is that: 5 rad = -1.2832 rad % (-1.2832 + 2*pi = 5) That is: x = x + n*2*pi; % where x is an angle in...

11 years ago | 0

| accepted

Not enough input arguments

How do you call this function? You need input arguments when running it (you can't press F5 or something similar). You co...

11 years ago | 0

| accepted

Help with Basic 2D Contour Plot

Follow the instructions from Friedrich, but flip the matrix around before you plot it. Now, Z(1,1) is in the origin, Z(1,2)...

11 years ago | 0

Help with Basic 2D Contour Plot

Will this work for you? q = zeros(4); for s=[0:1:3], for t=[0:1:3], q(t+1,s+1)=triarea(s,t) end...

11 years ago | 0

how can I create a vector with unknown length?

The most intuitive (and simple to implement) is probably bubble sort: <https://en.wikipedia.org/wiki/Bubble_sort> Since th...

11 years ago | 1

How to shift the origin or how to make median of the data to be origin or zero?

Do you just want to substract the median value? In that case: cc = aa-median(aa); Now the median of cc = 0. Hope it h...

11 years ago | 0

matrix manipulation and components

Is this what you're asking for? A(A>3.1) - Rob

11 years ago | 2

| accepted

How create serial RLC circuit in Simulink?

It looks as though your intial conditions are 0 for both integrators. Are you supposed to simulate the system in steady-stat...

11 years ago | 0

traversing a long matrix

I think this should work ind = find(A(:,1) == A(:,2)); - Rob

11 years ago | 0

| accepted

Question

Strange results from tic / toc.

I'm checking the running time of a function using tic/toc. I write the following in the command window (and execute it simultane...

11 years ago | 1 answer | 1

### 1

answerFilling vector with a condition.

Like this? A = [1 2 -3 0 4 0 -5 0 6]; B = 10:19; C = zeros(1,length(A)); C(A>0) = B(A>0) C = ...

11 years ago | 2

I can correct the error. Help me please!!

This should work: [X,Y] = meshgrid(x,y); f = sin(power(X,2)-power(Y,2)) Hope it helps =)

11 years ago | 0

| accepted