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Technische Universiteit Delft

Con actividad desde 2012

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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...

más de 9 años hace | 0

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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...

más de 9 años hace | 0

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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,...

más de 9 años hace | 2

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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...

más de 9 años hace | 0

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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...

más de 9 años hace | 0

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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...

más de 9 años hace | 0

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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, ...

más de 9 años hace | 0

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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...

más de 9 años hace | 0

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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...

más de 9 años hace | 2

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Resuelto


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...

casi 10 años hace

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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...

casi 10 años hace

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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....

casi 10 años hace

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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...

casi 10 años hace

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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

más de 11 años hace

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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...

más de 11 años hace

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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

más de 11 años hace

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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 ...

más de 11 años hace

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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

más de 11 años hace

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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 ...

más de 11 años hace

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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...

más de 11 años hace

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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...

más de 11 años hace

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

más de 11 años hace

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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...

más de 11 años hace

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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...

más de 11 años hace

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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...

más de 11 años hace

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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>...

más de 11 años hace

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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 ...

más de 11 años hace

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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...

más de 11 años hace

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

más de 11 años hace

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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...

más de 11 años hace

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