Domanda

Remove parentheses with regexp
I have the following string: a ='0.00 (578)'; How can I use regexp to retrieve what is inside the parentheses? I have ...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda

Use Java Classes in Matlab
I have created a small Java CelsiusConverter GUI as described in <http://docs.oracle.com/javase/tutorial/uiswing/learn/creating...

quasi 13 anni fa | 0 risposte | 0

0

risposte

Domanda

Losing frames when "getdata"
In a simple user interface I want to include a capture the image from my camera. To do this I have two push button. A start butt...

quasi 13 anni fa | 1 risposta | 0

1

risposta

Domanda

Timer error: Cannot start timer because it is already running.
I am trying to implement a simple timer in a GUI. It is just a figure with two buttons. I want when I press the start button to ...

quasi 13 anni fa | 1 risposta | 0

1

risposta

Domanda

Overlay an image in preview video
I would like to overlay an image when I preview video. By trying this : vid = videoinput('winvideo'); preview(vid) ...

quasi 13 anni fa | 2 risposte | 0

2

risposte

Domanda

Regexp: different behavior for the same type of expressions
I want to capture everything except the tokens: |name|, |'_'| and |'.iv2'| name = A7122 >> filename' ...

quasi 13 anni fa | 2 risposte | 0

2

risposte

Domanda

Getting the output from a callback in main function
I have the following simple problem. I have created a gui and I would like to get the output of the callback function in main fu...

quasi 13 anni fa | 2 risposte | 0

2

risposte

Domanda

Optionally create plots inside function
I have a function y=myfun(x) y=3*x; plot(x, y) If |x=[1 2 3 4 5];| then the plot will be plotted. Is there anyway...

circa 13 anni fa | 1 risposta | 0

1

risposta

Domanda

Trapz abnormal behavior. Error:Subscript indices must either be real positive integers or logicals.
When I enter: >> trapz(2,2) ans = 0 When I enter: >> trapz(2.2,2.2) Subscript indices ...

circa 13 anni fa | 2 risposte | 0

2

risposte

Risposto
Find cases of vectors-patterns in an array
I had also this in my mind as a backup idx= [0; diff(t1'==-1)]==-1 | [diff(t1'==-1); 0]==1; a=reshape(t1(idx),2,[]) ...

circa 13 anni fa | 0

Domanda

Find cases of vectors-patterns in an array
I have 4 cases of vectors inside an array that I want to index. All of them have trailing -1. I would like to index such pattern...

circa 13 anni fa | 2 risposte | 0

2

risposte

Risolto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

circa 13 anni fa

Risolto

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

circa 13 anni fa

Risolto

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

circa 13 anni fa

Risolto

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

circa 13 anni fa

Risolto

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

circa 13 anni fa

Risolto

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

circa 13 anni fa

Risolto

Is my wife right?
Regardless of input, output the string 'yes'.

circa 13 anni fa

Risolto

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

circa 13 anni fa

Risolto

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 13 anni fa

Risolto

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

circa 13 anni fa

Risolto

Add two numbers
Given a and b, return the sum a+b in c.

circa 13 anni fa

Risolto

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

circa 13 anni fa

Risolto

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

circa 13 anni fa

Risolto

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

circa 13 anni fa

Domanda

In a logical array index the area with the most TRUE values
Below I have a logical vector: t=[0 1 0 0 0 0 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 0 0 0 1 0]; which has 5 TRUE areas and 6...

circa 13 anni fa | 2 risposte | 0

2

risposte

Domanda

Printing to screen with fprintf. Reclaim back the printed result after clearing the screen.
Suppose I use the fprintf as follows: name='John'; height=1.8; age=27; fprintf('Name.............%s\n\n', na...

circa 13 anni fa | 1 risposta | 0

1

risposta

Risposto
A line at maximum value of y ?
line(get(gca,'Xlim'), [max(y) max(y)],'color', 'red')

circa 13 anni fa | 1

| accettato

Domanda

In a logical array find how the density of TRUE values increases
Supposedly we have a logical array: t=[1 0 0 0 0 1 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0]; The...

circa 13 anni fa | 4 risposte | 1

4

risposte

Domanda

Error when running inbuild example of Simulink (R2013a) Supercapacitor Model
I am using Matlab version (R2013a). The simulink of this version contains an example with the name Supercapacitor Model. When I...

circa 13 anni fa | 1 risposta | 0

1

risposta