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**Content Feed**

How can I change contents of a string?

I'd say do something like this: names = strrep({data{:,1}},'/','-'); That assumes that all of the names are only in the ...

fast 10 Jahre ago | 0

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

fast 10 Jahre ago

Solved

Given an unsigned integer x, find the largest y by rearranging the bits in x

Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

fast 10 Jahre ago

Calculate difference between two times

since you're getting this from a data file I'd suggest something like this: fid = fopen('data.txt'); data = textscan(fid...

fast 10 Jahre ago | 0

Loop Principal Component Analysis

I'd suggest looking at the help page a little more for PCA: http://www.mathworks.com/help/toolbox/stats/princomp.html "COE...

fast 10 Jahre ago | 0

Saving structs

If you're wanting to save the structure as a structure, don't put in the -struct flag. That saves all of the fieldnames as their...

fast 10 Jahre ago | 2

| accepted

breaking a column of strings in two different columns

It appears that you can't really do matrix operations on cell arrays like: mycell{:,2} = mycell{:,1}(3:end); So here's w...

fast 10 Jahre ago | 1

| accepted

Writing a matrix as column vectors

If Y is a workspace variable that is an m x n matrix, then you can extract the column vectors by: y1 = Y(:,1); etc. Is that...

fast 10 Jahre ago | 0

set default properties ERROR

It looks as though you may have a variable named 'set' in your workspace. Is that the case?

fast 10 Jahre ago | 1

| accepted

surf plot behaves strange!

Surf attaches a color to a face based on one point on that face, and each face will be created by 4 points, so that color may no...

fast 10 Jahre ago | 0

GRIDDATA suitability for interpolating from one mesh to another

griddata (in this case griddata3) is going to be removed in a future release of Matlab. Use TriScatteredInterp instead. I've use...

fast 10 Jahre ago | 0

| accepted

How to create random vectors of the same lengths?

from the documentation: Examples Generate values from the uniform distribution on the interval [a, b]. r = a + (b-a).*ra...

fast 10 Jahre ago | 0

| accepted

for loop

You can't call or write to a variable like that in a loop, unfortunately. My suggestion would be to have a structure that contai...

fast 10 Jahre ago | 0

Plot points with unknown column numbers

Here's the fix, sorry it took a while. Got distracted ;) figure(2) names = 1:1:rx; for i =1:1:rx name = i; ...

fast 10 Jahre ago | 0

| accepted

Plot points with unknown column numbers

did you turn hold back off? figure(2) names = 1:1:rx; for i =1:1:rx name = i; plot (fx,fy,'bo') ...

fast 10 Jahre ago | 0

geting value as Inf

Here's what I think your code should look like in order to run properly: M=100; r=0.8; alpha=0.45; beta=0.75; g...

etwa 10 Jahre ago | 0

| accepted

Passing base workspace variables to callback functions

Have you tried using the evalin function, maybe something like: x = evalin('base','var');

etwa 10 Jahre ago | 1

geting value as Inf

I actually answered your problem in your previous problem. The error is in your calculations for c, p, and specifically a. These...

etwa 10 Jahre ago | 0

Solved

Magic!

Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

etwa 10 Jahre ago

Solved

Count from 0 to N^M in base N.

Return an array of numbers which (effectively) count from 0 to N^M-1 in base N. The result should be returned in a matrix, with ...

etwa 10 Jahre ago

How can i get image from other GUI in a project - i can not use global variable

I'm assuming that the problem is you're unable to use the information you acquired from GUI2. Globals may work, but they're not ...

etwa 10 Jahre ago | 2

need help optimizing this code...

I don't think that will work actually. Try this, it's a little convoluted, but I think it's correct: % this assumes w and s...

etwa 10 Jahre ago | 0

color-coding a 2D plot

unfortunately shading interp doesn't seem to work on contourf so here's an inelegant solution to your problem. [x,y] = mesh...

etwa 10 Jahre ago | 1

| accepted

Problem with displaying output of executable

If you're compiling it as a 'Windows Standalone Application' switch that to a 'Console Standalone Application'.

etwa 10 Jahre ago | 0

| accepted

color-coding a 2D plot

how about: [x,y] = meshgrid(-10:0.1:10,-10:0.1:10); % just to get some x and y values z = sqrt(x.^2 + y.^2); contour...

etwa 10 Jahre ago | 0

Add label to TXT file

you could just add a simple fopen command prior to your dlmwrite command: fid = fopen('c:\data.txt','w'); fprintf(fid,'H...

etwa 10 Jahre ago | 0

Change position of numbers on x axes in surface plot

Perhaps something like this would work for you? grid off %this prevents the addition of gridlines at half spacing ha =...

etwa 10 Jahre ago | 0

| accepted