Risolto


Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

oltre 14 anni fa

Risposto
function reference file
Read about <http://www.mathworks.com/help/matlab/matlab_prog/function-handles.html "Function Handles"> here.

oltre 14 anni fa | 0

Risposto
"print figure" to variable... getframe, with better resolution...
Take a look at <http://www.mathworks.com/matlabcentral/fileexchange/23629 |export_fig|> which is a user-submitted file on File E...

oltre 14 anni fa | 0

Risposto
structure conversion
Functions can take structures (created from Simulink or elsewhere). It depends on which function you're trying to call. That det...

oltre 14 anni fa | 0

| accettato

Pubblicato


Interactive Curve Class
Jiro's pick this week is Interactive Curve Class by Maxim Vedenyov. Have you ever wanted to create a test data set...

oltre 14 anni fa

Thumbnail

Risposto
Unable to run Discriminant Analysis
|ClassificationDiscriminant| class is new in R2011b Statistics Toolbox. Do you have R2011b?

oltre 14 anni fa | 0

| accettato

Risposto
"rise time, overshoot, settling time" from Simulink graph?
If you have <http://www.mathworks.com/products/control/ Control System Toolbox>, you can use <http://www.mathworks.com/help/tool...

oltre 14 anni fa | 1

| accettato

Risolto


Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

oltre 14 anni fa

Risposto
Need help solving second order differential equations using ODE45
The initial conditions imply that t=0, so you simply need to pass in the two initial conditions for x and dx/dt. So for your exa...

oltre 14 anni fa | 0

| accettato

Risposto
Pop up menu
Value = 2; set(handles.popupmenu, 'Value', Value); |'Value'| refers to the "Value" property of the pop up menu. The seco...

oltre 14 anni fa | 1

| accettato

Risolto


Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

oltre 14 anni fa

Risposto
Warning "Unable to interpret LaTeX string ..."
In case you didn't know, you could suppress certain warnings, like this: warnState = warning('off', 'MATLAB:gui:latexsup:Ba...

oltre 14 anni fa | 0

Risposto
Using gcf in functions
<http://www.mathworks.com/help/matlab/ref/gcf.html |gcf|> is not a variable, but rather a function. So you don't need to treat i...

oltre 14 anni fa | 3

Risolto


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

oltre 14 anni fa

Risposto
How to find all XY Graphs in Simulink model
As you can see from the FRP for <http://www.mathworks.com/help/toolbox/simulink/slref/find_system.html |find_system|>, you can s...

oltre 14 anni fa | 1

| accettato

Risposto
Fastest way to dot product all columns of two matricies of same size
When you say you're doing the dot product, I assume you're doing this: v1'*v2 and not dot(v1, v2) The equivalent...

oltre 14 anni fa | 0

Risolto


Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

oltre 14 anni fa

Problema


Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

oltre 14 anni fa | 4 | 276 risolutori

Risolto


First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

oltre 14 anni fa

Risolto


Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

oltre 14 anni fa

Risposto
File modification alert from windows api
You may be able to use the .NET interface, using the <http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx F...

oltre 14 anni fa | 2

| accettato

Risposto
How do I activate Simulink with R2011a Student Version?
Where are you looking for the icon? There will be no separate Simulink icon in your OS desktop. You start Simulink by starting M...

oltre 14 anni fa | 0

Risposto
creating a single structure with 100 entries
You don't need to create a structure for that. You can do this: C2 = cat(3, C{:}); avg = mean(C2, 3) FYI, to answer y...

oltre 14 anni fa | 1

| accettato

Risposto
How do I delete a field variable from a structure
|handles.Data| is a field of variable |handles|. To delete a field, handles = rmfield(handles. 'Data'); To set the field...

oltre 14 anni fa | 4

| accettato

Risolto


Back to basics 15 - Benchmark
Covering some basic topics I haven't seen elsewhere on Cody. Return an array of the benchmark values for MATLAB.

oltre 14 anni fa

Risposto
problem acquiring the video from webcam
Put a breakpoint on line 4 of your function |getCameraInfo|, and explore your variable |camera_info|. Maybe your laptop isn't re...

oltre 14 anni fa | 0

Risolto


Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.

oltre 14 anni fa

Risolto


Trickier Timing
You solution should return control to main program only when the current time ends in either a 5 or 0 (e.g. the current seconds ...

oltre 14 anni fa

Risolto


Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

oltre 14 anni fa

Risolto


Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

oltre 14 anni fa

Carica altro