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Finding the index of spesific element in a matrix?
Lets say we have matrix: a=[ 2, 3, 5 3, 4, 7 4, 4, 4] ; I want to know index of a(4) which is the bold 3. Th...

5 years 前 | 2 个回答 | 0

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How to find out whether there is a repetitive element in the columns of a matrix?
example: a=[ 1 2 3 4 2 1 1 4 2] Bold ones are that what I am looking for. There is no need for imformation abou...

5 years 前 | 2 个回答 | 0

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提问


Does using cells cause dramatically slow down the code?
Does using cells instead of matrixes make big difference?

5 years 前 | 1 个回答 | 0

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提问


Couldn't find what's wrong
a=cell(1,3) a{2}= [2 4 5] for i=1:3 if numel(a{i})==3 b=cellfun(@(q) q==a(i),a,'un',1) end end I trie...

5 years 前 | 1 个回答 | 0

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What does 'un' mean here ?
[a1,b,c] = unique(cellfun(@char,a,'un',0)) I read the cellfun page but didn't find anything about this.

5 years 前 | 1 个回答 | 1

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How to use 'setdiff' func. on cells
a and b are cells and I want to do this: setdiff(a,b);

5 years 前 | 1 个回答 | 0

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Is there a way to start indexing with 0 in MATLAB?
a=[4 2 5 2] can I make this happen? a(0)=4

5 years 前 | 3 个回答 | 0

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Why is this not working? And how to fix?
When i run this code, I get an error message about x1. syms x1 x2 c1 c2 c3 eq1= c1-c3==0; eq2= c2-c3==0; eq3= c1+c2+c3==1; ...

5 years 前 | 1 个回答 | 0

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How to store vectores which have different lengts? (in a loop)
This doesnt work because every tupple have differents lengths : for i=2:5 ar(i,:)=ones(1,q(i)-q(i-1)+2); end q is a...

5 years 前 | 1 个回答 | 0

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How to say this in MATLAB language?
I want to say a plus b equals to 10 math exuation: a+b=10 how write this in matlab?

5 years 前 | 1 个回答 | 0

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提问


Pattern search algorithm inMATLAB ?
Can i use this Matlab function: x = patternsearch(fun,x0,A,b,Aeq,beq,lb,ub) to solve something like this:

5 years 前 | 0 个回答 | 0

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Where is the zero?
How to find the location of a zero (or a different number) in a vector ? like : a=[ 1 3 5 6 34 4 0 1 3 4 50] =...

5 years 前 | 1 个回答 | 0

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How to write a fucntion which we don't know how many "in" values will be needed?
I want to know how to write first line of a function which we cant tell how many variables will be "inputed". example : f...

5 years 前 | 1 个回答 | 0

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提问


How to do division on matrices ?
[a b; c d]*[x;y]=[k;l] How can i calculate x and y if I know a,b,c,d and k,l ?

5 years 前 | 2 个回答 | 0

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Extracting zeros from vectors
I need to extract zeros from a vector while keeping the same order of elements in s. Like this : S=[1 0 0 2 3 0 0 0 2 1 0...

5 years 前 | 2 个回答 | 0

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提问


Could someone explain how this code works?
S=[1 3 0 2 0 0]; C=[0 2]; [~,col] = ismember(C,S); S(col) = []; S = 1 3 0 0 This code i...

5 years 前 | 1 个回答 | 0

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提问


How to find if a vector has a repetitive element or not? And its repetition number
For example A=[ 1 3 1 1 2 3 5]

5 years 前 | 1 个回答 | 0

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提问


"setdiff" comand usage ?
when i run this code: a=[1 1 2]; b=[1]; setdiff(a,b) i get this: >> c ans = ...

5 years 前 | 2 个回答 | 0

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提问


Replacing 2 elements with each other randomly?
Like : a=[2 4 5 242 24] ------> a'=[2 242 5 4 24] my code is : rndm= myset(randperm(length(myset),2)) neighbor...

5 years 前 | 1 个回答 | 0

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提问


How to pick randomly elements from a vector without repetation?
If I have a vector like this : a=[1 2 3 4 5] i know how to do this but my vector is something like: a=[23 46 4 2 5] ...

5 years 前 | 1 个回答 | 0

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How can i explain this to matlab?
if a is not an empty vector/cluster then do 'this'

5 years 前 | 1 个回答 | 0

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Storing vectors in a cluster?
for i=2:10 a=... end I want to store matrixes as an element of a set for every cycle. I know they can be stored i...

5 years 前 | 2 个回答 | 0

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提问


How to modify this code for true result?
The objective is to place some boxes into rooms. Each box has its own volume (given in the 'boxes' matrix) and rooms capacities ...

5 years 前 | 1 个回答 | 0

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提问


Why i get the out of bound error in this code?
myset=[1 2 3 4 6]; capacity=6; passedall=[] passed=[] for q = 1:5 q=q+1 capacity=6; passedall...

5 years 前 | 1 个回答 | 0

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提问


how to create a matrix which is difference (like in sets) of antoher 2 matrix
example: a=[2 3 4] b=[3] How to create matrix C which is: c=[2 4]

5 years 前 | 1 个回答 | 0

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