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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...

4 years ago | 1 answer | 0

### 1

answerSum 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...

9 years 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...

11 years ago | 0 answers | 0

### 0

answersQuestion

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...

12 years ago | 5 answers | 6

### 5

answersAngle 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)...

12 years ago | 0

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 ...

12 years ago | 0

| accepted

conversion

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

12 years ago | 0

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 * ... ...

12 years ago | 0

| accepted

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'; ...

12 years ago | 0

FASTA AND BLAST

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

12 years ago | 0

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'));

12 years ago | 0

| accepted

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) / ...

12 years ago | 0

Sphere into equal parts

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

12 years 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...

12 years ago | 1 answer | 0

### 1

answermultiplying adjacent values in matrix

See if this works for you. A = primes(100); B = A(1:end-1) .* A(2:end);

12 years ago | 0

| accepted

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 = ...

12 years ago | 1

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...

12 years ago | 0

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...

12 years ago | 1

| accepted

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...

12 years ago | 0

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; ...

12 years ago | 5

| accepted

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...

12 years ago | 1

| accepted

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...

12 years ago | 0

| accepted

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...

12 years ago | 0

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...

12 years ago | 0

| accepted

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...

12 years 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...

12 years ago | 2 answers | 1

### 2

answersQuestion

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...

13 years ago | 1 answer | 0

### 1

answerCan 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...

13 years ago | 0