Answered
How to convert text file full of numbers to a binary image?
f = fopen('yourtxtfile.txt'); c = textscan(f,'%s','EndOfLine','\n'); fclose(f); k = min(cellfun(@numel,c{:})); ...

11 years ago | 2

| accepted

Answered
How to delete an repeated values in matrix?
x = [197.9040 11.6502 41.6502 41.3856 41.3856 0 197.9040 12.2180 51.2008 61.2008 104.31...

11 years ago | 0

Answered
how to get following matrix using bsxfun
k = 0:72/8; M = repmat(x,numel(k),1); add = 8*ones(size(x,1),1)*k; M(:,3) = add(:); with |bsxfun| m = reshape...

11 years ago | 1

Answered
Why am I getting the error : Operands to the || and && operators must be convertible to logical scalar values for the below code?
X = [0 2 5 20 40]'; xq = 40*rand(20,1); xq(3)= 1.3; xq(5) = 5; Y = [2 5 8 40 60]'; function yq = myInterp(...

11 years ago | 1

| accepted

Answered
extracting smaller matrices from a larger matrix through loop
out = zeros(10,2,100/10); for ii = 1:size(out,3) out(:,:,ii) = M(k(ii)-9:k(ii),:); end

11 years ago | 0

Answered
Find whether a vector occurs exactly in another vector
other variant n = numel(y); pos = find(all(bsxfun(@eq,y(:),hankel(x(1:n),x(n:end)))));

11 years ago | 1

Answered
How can I write all month's last dates for a given period of time?
BigMatrix = cellstr(datestr(b+(1:a)'));

11 years ago | 0

Answered
Arrange Matrix - Same Values of a Row to one Column
sourceData = {1 'ABC1';3 'ABC2'; 8 'ABC1'; 7 'ABC3'; 0 'ABC1'; ... 5 'ABC3'; 8 'ABC2'; 4 'ABC3'; 7 'ABC2'; 6 ...

11 years ago | 0

Solved

Change Vector Value
Change the element of the vector with respect to the element of the direction vector If the element of the direction vecto...

11 years ago

Answered
Random zero-restrictions in vector
B1 = B; ii = B~=0; C = B(ii); D = accumarray(C(:),(1:numel(C))',[],@(x){ x(randperm(numel(x))) }); x = cellfun(@(x...

11 years ago | 0

Answered
Reshape a 2D matrix to a 3D matrix
reshape(yourarray,size(yourarray,1),1,[]); other way permute(yourarray,[1 3 2]);

11 years ago | 1

Answered
average of each 10 values of an external file and save in new file
oldcontent = readtable('example11.xls'); data = table2array(oldcontent); [a,~,c] = unique(data(:,1)); [ii,jj] = n...

11 years ago | 0

Solved

Add 7
Given an input variable x, output a variable y that is 7 greater than x. Example: Input x = 1 Output y is 8 Input ...

11 years ago

Solved

arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

11 years ago

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Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

11 years ago

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Positive Infinity
Round the array a towards positive infinity

11 years ago

Solved

Sort (high on middle, low on ends)
Sort the vector of numbers in order low-high-low. Even numbers appear in ascending order on the left and odd numbers appear in d...

11 years ago

Solved

Radiation Heat Transfer — View Factors (3)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

11 years ago

Solved

Radiation Heat Transfer — View Factors (2)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

11 years ago

Solved

Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

11 years ago

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Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

11 years ago

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geometric progression
I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

11 years ago

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Radiation Heat Transfer — View Factors (1)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

11 years ago

Solved

Split up vector or matrix delimited by NaNs
Given several vectors contained within one vector delimited by NaNs, return each individual vector as an element of a cell vecto...

11 years ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

11 years ago

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

11 years ago

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Solve Linear equations
Solve Linear equations Example: x+y=2 and x+2y=3, then x and y equal to 1.

11 years ago

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length of string on cylinder
A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends ...

11 years ago

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

11 years ago

Solved

Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

11 years ago