Community Profile

photo

Jonathan


Last seen: bijna 3 jaar ago Active since 2011

Statistics

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

View badges

Content Feed

View by

Question


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...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Answered
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...

meer dan 9 jaar ago | 1

Question


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...

meer dan 11 jaar ago | 0 answers | 0

0

answers

Question


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...

ongeveer 12 jaar ago | 5 answers | 6

5

answers

Answered
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)...

meer dan 12 jaar ago | 0

Answered
Cumsum Function Reproduction
[DELETED]

meer dan 12 jaar ago | 0

Answered
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 ...

meer dan 12 jaar ago | 0

| accepted

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

meer dan 12 jaar ago | 0

Answered
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 * ... ...

meer dan 12 jaar ago | 0

| accepted

Answered
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'; ...

meer dan 12 jaar ago | 0

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

meer dan 12 jaar ago | 0

Answered
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'));

meer dan 12 jaar ago | 0

| accepted

Answered
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) / ...

meer dan 12 jaar ago | 0

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

meer dan 12 jaar ago | 0

Question


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...

meer dan 12 jaar ago | 1 answer | 0

1

answer

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

meer dan 12 jaar ago | 0

| accepted

Answered
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 = ...

meer dan 12 jaar ago | 1

Answered
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...

meer dan 12 jaar ago | 0

Answered
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...

meer dan 12 jaar ago | 1

| accepted

Answered
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...

meer dan 12 jaar ago | 0

Answered
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; ...

meer dan 12 jaar ago | 5

| accepted

Answered
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...

meer dan 12 jaar ago | 1

| accepted

Answered
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...

meer dan 12 jaar ago | 0

| accepted

Answered
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...

meer dan 12 jaar ago | 0

Answered
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...

meer dan 12 jaar ago | 0

| accepted

Answered
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...

meer dan 12 jaar ago | 0

| accepted

Question


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

meer dan 12 jaar ago | 2 answers | 1

2

answers

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

bijna 13 jaar ago | 1

Question


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...

ongeveer 13 jaar ago | 1 answer | 0

1

answer

Answered
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...

ongeveer 13 jaar ago | 0

Load more