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Construct optimisation constraints vector with anonymous function.
You can also call functions within an anonymous function, e.g., param1 = 6; param2 = 0.5; nlcon = @(x)calculateconstr...
oltre 10 anni fa | 0
How to remove the least significant bit of a signed int16
You could use |bitset()| to set the LSB to 0, but they will still be 16-bits in memory. For example: a = [56, 21, 33]; b...
oltre 10 anni fa | 0
| accettato
Why does rgb2gray use these weights for the weighted sum?
These values come from the <http://www.itu.int/rec/R-REC-BT.601-7-201103-I/en BT.601> standard for use in colour video encoding,...
oltre 10 anni fa | 2
How to select and crop a particular region from the image?
If you have the Image Processing Toolbox, you can use the function <http://www.mathworks.com/help/images/ref/imrect.html |imrect...
oltre 10 anni fa | 0
| accettato
HOW TO GET KEY PRESS INSTANCE
The key last pressed in the figure is given by its |CurrentCharacter| property, which can be obtain by: key = get(h_fig, 'C...
oltre 10 anni fa | 0
Is there any way to import back figures that you initially exported from MATLAB?
Unfortunately, your figure was converted to a rasterised image when you pasted it in Microsoft Word - this process is irreversib...
oltre 10 anni fa | 0
How to draw orthogonal lines ?
The line between your two points can be described by y = a (x - x1) + b, where a = (y2 - y1)/(x2 - x1) b = y1, ...
oltre 10 anni fa | 0
For loop with changing matrix
You could use a cell array to store the ages per |j|. For example: B = cell(1, years); for j = 1:years % A is compu...
oltre 10 anni fa | 0
What is the difference between double() and im2double() ?
The function double() only converts the specified array to a variable of type double, keeping the same values. The function im2d...
oltre 10 anni fa | 2
| accettato
Risolto
Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...
quasi 11 anni fa
Risolto
Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
quasi 11 anni fa
Risolto
Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
quasi 11 anni fa
Risolto
Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...
quasi 11 anni fa
Risolto
Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
quasi 13 anni fa
Risolto
Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...
quasi 13 anni fa
Risolto
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
quasi 13 anni fa
Risolto
Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...
quasi 13 anni fa
Risolto
Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable
quasi 13 anni fa
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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...
quasi 13 anni fa
Risolto
2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...
quasi 13 anni fa
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...
quasi 13 anni fa
Risolto
Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.
quasi 13 anni fa
Risolto
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...
quasi 13 anni fa
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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...
quasi 13 anni fa
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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...
quasi 13 anni fa
Risolto
Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...
quasi 13 anni fa
Risolto
Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...
quasi 13 anni fa
Risolto
Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...
quasi 13 anni fa
Risolto
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
quasi 13 anni fa
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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...
quasi 13 anni fa
