Question

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 ...

plus de 12 ans il y a | 1 réponse | 0

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Question

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...

plus de 12 ans il y a | 1 réponse | 0

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réponse

Question

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...

plus de 12 ans il y a | 1 réponse | 0

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Question

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 ...

plus de 12 ans il y a | 1 réponse | 0

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Question

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) ...

plus de 12 ans il y a | 2 réponses | 0

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Question

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

plus de 12 ans il y a | 2 réponses | 0

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Question

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...

plus de 12 ans il y a | 2 réponses | 0

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Question

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...

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Question

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 ...

plus de 12 ans il y a | 2 réponses | 0

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Réponse apportée
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,[]) ...

plus de 12 ans il y a | 0

Question

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...

plus de 12 ans il y a | 2 réponses | 0

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A résolu

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...

presque 13 ans il y a

A résolu

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

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A résolu

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...

presque 13 ans il y a

A résolu

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...

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A résolu

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 ...

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A résolu

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...

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A résolu

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

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A résolu

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 ...

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A résolu

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...

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A résolu

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

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A résolu

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

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A résolu

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 ...

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A résolu

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...

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A résolu

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:...

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Question

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...

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Question

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...

presque 13 ans il y a | 1 réponse | 0

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réponse

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

presque 13 ans il y a | 1

| A accepté

Question

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...

presque 13 ans il y a | 4 réponses | 1

4

réponses

Question

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...

presque 13 ans il y a | 1 réponse | 0

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