Rupeng Li
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Why indexing vs not indexing the 2D matrix will lead to different result?
I encounted an indexing problem: I have a 2x2 Cholesky factor and I want to recover the original SPD matrix. load s.mat s(:,:...
oltre 2 anni fa | 2 risposte | 0
2
risposteDomanda
vertically concatenate struct values from the same field
Hi I encountered an issue in vertically concatenation of struct values from the same field. e.g. given S1 [S1(1:10).vals] = dea...
quasi 4 anni fa | 1 risposta | 0
1
rispostaRisolto
Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...
oltre 5 anni fa
Risolto
Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...
oltre 5 anni fa
Risolto
Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...
oltre 5 anni fa
Risolto
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
oltre 5 anni fa
Risolto
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
oltre 5 anni fa
Domanda
How can I merge many rows of different lengths into a matrix?
Hi everyone! I encountered a problem in merging many rows of different lengths into a matrix, for example, A=[1:2]; B=[3:7];...
oltre 5 anni fa | 2 risposte | 0
2
risposteRisolto
Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...
oltre 5 anni fa