photo

Kevin Holst


US Air Force

2012 年からアクティブ

Followers: 0   Following: 0

メッセージ

統計

All
  • First Review
  • 6 Month Streak
  • Thankful Level 1
  • Knowledgeable Level 4
  • First Answer
  • Commenter
  • Solver

バッジを表示

Feeds

表示方法

回答済み
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 ...

12年以上 前 | 0

回答済み
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...

12年以上 前 | 0

回答済み
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...

12年以上 前 | 0

回答済み
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...

12年以上 前 | 2

| 採用済み

回答済み
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...

12年以上 前 | 1

| 採用済み

回答済み
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...

12年以上 前 | 0

回答済み
set default properties ERROR
It looks as though you may have a variable named 'set' in your workspace. Is that the case?

12年以上 前 | 1

| 採用済み

回答済み
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...

12年以上 前 | 0

回答済み
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...

12年以上 前 | 0

| 採用済み

回答済み
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...

12年以上 前 | 0

| 採用済み

回答済み
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...

12年以上 前 | 0

回答済み
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; ...

12年以上 前 | 0

| 採用済み

回答済み
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') ...

12年以上 前 | 0

回答済み
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...

13年弱 前 | 0

| 採用済み

回答済み
Passing base workspace variables to callback functions
Have you tried using the evalin function, maybe something like: x = evalin('base','var');

13年弱 前 | 1

回答済み
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...

13年弱 前 | 0

回答済み
Rows
column1 = min(mat,[],2);

13年弱 前 | 1

回答済み
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 ...

13年弱 前 | 2

回答済み
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...

13年弱 前 | 0

回答済み
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...

13年弱 前 | 1

| 採用済み

回答済み
Problem with displaying output of executable
If you're compiling it as a 'Windows Standalone Application' switch that to a 'Console Standalone Application'.

13年弱 前 | 0

| 採用済み

回答済み
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...

13年弱 前 | 0

回答済み
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...

13年弱 前 | 0

回答済み
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 =...

13年弱 前 | 0

| 採用済み

回答済み
Call variables in for loop
To do this like you're attempting requires the use of the eval function, but be very careful in its use. Google 'eval matlab' fo...

13年弱 前 | 0

| 採用済み

回答済み
Measuring and Changing
if p1 and p2 are 2 element vectors: 1: d1 = sqrt(sum((p1-p2).^2)); 2: No explanation should be required. 3: d...

13年弱 前 | 0

回答済み
Projectile connected by springs model
This is probably the 3rd or 4th submission of this same exact problem. Please review the question guide: <http://www.mathwork...

13年弱 前 | 0

回答済み
To solve double integral
try using quad2d: <http://www.mathworks.com/help/techdoc/ref/quad2d.html>

13年弱 前 | 0

質問


plot data in from structure of data points with limits
I have a structure of datapoints, each of which is a structure of variables. I have created a simple function that will do a sca...

13年弱 前 | 0 件の回答 | 0

0

回答

回答済み
Numerical Inputs to Solve and Using the Output value
The problem may be that you're expecting a single value, but solve will return 2 values because it's actually quadratic. What...

13年弱 前 | 0

さらに読み込む