Community Profile

photo

Jonathan


Last seen: casi 3 años hace Con actividad desde 2011

Estadísticas

All
  • Thankful Level 2
  • Knowledgeable Level 3
  • Puzzler
  • Cody5 Easy Master
  • First Review
  • Divisible by x Master
  • Magic Numbers II Master
  • Matrix Manipulation I Master
  • Project Euler I
  • Sequences And Series I Master
  • Scholar
  • Introduction to MATLAB Master

Ver insignias

Content Feed

Ver por

Pregunta


How to get intlinprog to stop when the answer is good enough?
The code below finds an maximum independent set of the graph whose adjacency matrix is A. I would like to pass an option to intl...

alrededor de 4 años hace | 1 respuesta | 0

1

respuesta

Respondida
Sum elements of a vector based on given indices
There are faster ways of accomplishing your task in Matlab. First, let's examine if there is a function that will do what you...

más de 9 años hace | 1

Pregunta


Which view should I use with vis3d?
I plot 3D data, then make a movie where each frame is the same plot at different views. It is important for (i) the axes propor...

más de 11 años hace | 0 respuestas | 0

0

respuestas

Pregunta


Display Text Without Formatting
The following string displays in the command window formatted as a hyperlink. How do I display the entire contents of str witho...

alrededor de 12 años hace | 5 respuestas | 6

5

respuestas

Respondida
Angle Comparison
If I understand this setup correctly, then the following is true. Take a line segment (I take this to be what you mean by side)...

más de 12 años hace | 0

Respondida
Cumsum Function Reproduction
[DELETED]

más de 12 años hace | 0

Respondida
strings in a loop
Sven, In most Matlab functions that display text, you can pass a cell array of strings to accomplish new lines. The example ...

más de 12 años hace | 0

| aceptada

Respondida
conversion
Baba, This will do what you described. structVar(1).name = 'First'; structVar(2).name = 'Second'; makeVarFun = @(s...

más de 12 años hace | 0

Respondida
Non-linear Optimization for adjusting one trajectory to another (one matrix transformed to match other).
Try an anonymous function handle instead of an inline function, like this. difference_fun = @(x) norm( T1 - x(4)*T2 * ... ...

más de 12 años hace | 0

| aceptada

Respondida
Switch Case where case is a word_anynumber
If all of your cases are similar to what you describe, then you can use strtok like this. a = 'word_4'; b = 'word_27'; ...

más de 12 años hace | 0

Respondida
FASTA AND BLAST
The following commands and output says there are not such functions. >> help fasta fasta not found. Use the Help br...

más de 12 años hace | 0

Respondida
Reflection of a surface across an axis
Braden, This example should help you see what to do. hand = surf(peaks); set(hand, 'XData', -1*get(hand,'XData'));

más de 12 años hace | 0

| aceptada

Respondida
Gaussian Propability Area at different alpha
I believe this will accomplish your purpose. Let me know. LoS = .99; % Your level of significance lower = (1 - LoS) / ...

más de 12 años hace | 0

Respondida
Sphere into equal parts
Abhinendra, I believe what you are looking for can be accomplished with this item ( <http://www.mathworks.com/matlabcentral/fil...

más de 12 años hace | 0

Pregunta


speed of rand vs randi
I sometimes use "if rand < 0.5" or "if randi(2) == 1" to arbitrarily select one branch or another with equal probability. I ran...

más de 12 años hace | 1 respuesta | 0

1

respuesta

Respondida
multiplying adjacent values in matrix
See if this works for you. A = primes(100); B = A(1:end-1) .* A(2:end);

más de 12 años hace | 0

| aceptada

Respondida
Is there an elegant way to create dynamic array in MATLAB?
liangjian, You can preallocate based on the number of iterations. Try something like this. numIter = 100; array = ...

más de 12 años hace | 1

Respondida
randperm
If you want to randomly permute the rows, do something like the following. n = 5; A = reshape(1:2*n, n, 2) B = A(rand...

más de 12 años hace | 0

Respondida
Need help for cross checking of eigen Vector
This gives a possible set of unit eigenvectors. [V,D] = eig(A) If there is an eigenspace of more than one dimension, the vec...

más de 12 años hace | 1

| aceptada

Respondida
how to initialize an M×N array whose size is unknown in for-loop
A. Hill, You can probably get a good estimate of the number of elements by examining the file sizes. Suppose the files are i...

más de 12 años hace | 0

Respondida
Minimize function with respect to multiple variables
You can use the function fminsearch for this, which requires an initial guess. Here is how it might look for you. x = 1; ...

más de 12 años hace | 5

| aceptada

Respondida
How to put stacked plots in the same graph
Alan, To plot the data all in the same plot, do something like the following. x1 = 0:.01:1; y1 = x1.^2; x2 = .5:.1...

más de 12 años hace | 1

| aceptada

Respondida
Warning: Imaginary part is currently ignored.
This warning means that one of the inputs to atan2 is imaginary. The two places you use atan2 are extracted below. q2=atan...

más de 12 años hace | 0

| aceptada

Respondida
Re-arranging an exponential function of 2 parts
Simon, There is no logarithm rule that allows you to solve for x explicitly. However, from differentiating we can see that i...

más de 12 años hace | 0

Respondida
Changing the radial axislabels in a polar plot
Jakob, This is a necessarily, I think, imprecise process. That is, this method may become invalid with later distributions o...

más de 12 años hace | 0

| aceptada

Respondida
How to create a probability table and derive probability results
Hi sim, If I understand correctly, then 'jpdf=X./Y;' should use element-wise multiplication like 'jpdf=X.*Y;'. Also, calcula...

más de 12 años hace | 0

| aceptada

Pregunta


unexpected accumarray behavior
I recently discovered the function accumarray. Example 2 in the doc for this function produced a counter-intuitive answer for m...

más de 12 años hace | 2 respuestas | 1

2

respuestas

Respondida
Why do you come to "MATLAB Answers"?
a, b, c, i

casi 13 años hace | 1

Pregunta


Multiple Views of Data
I would like to plot multiple sets of data via the patch function, then have two different views display in two different window...

alrededor de 13 años hace | 1 respuesta | 0

1

respuesta

Respondida
Can Matlab vectorize a generic recursion function?
Please clarify your question and what you mean by vectorize. If I understand your setup correctly, then a function to solve for...

alrededor de 13 años hace | 0

Cargar más