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Mat


Attivo dal 2014

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Domanda


Extracting values from a smoothing spline fit
I've created a spline fit using curve fitting xdat = [1;2;3;4;5;6;7;8;9;10] ydat = [2;3;5;7;9;14;24;46;57;58] Splin...

quasi 9 anni fa | 2 risposte | 0

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How can I create a matrix out of a matrix?
B=sum(A,2) C=find(B~=0) D=[C A(C,:)] ??

circa 9 anni fa | 0

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Select every Nth row from number groups
I eventually solved this, and am posting my solution... The actual example had some strings containing a mixture of A and B's al...

circa 9 anni fa | 0

| accettato

Domanda


Select every Nth row from number groups
I have a vector that looks like a = [1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 1....] I would like to find the vector loca...

circa 9 anni fa | 4 risposte | 0

4

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Domanda


Eliminate terrible for loop, code optimisation, data attached
The problem: I have 3 (very large) grids of data.... x y z, where x and y are variables that determine 'performance' z. T...

oltre 9 anni fa | 2 risposte | 0

2

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Domanda


Compute Average Matrix from Cell Array of Matrices
I have a cell array of matrices of different sizes and constant length: ABC = [(122x21) (124x21) (117x21)....] I would ...

oltre 9 anni fa | 4 risposte | 0

4

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Compute Average Matrix from Cell Array of Matrices
Both of these codes work great, but am struggling to fit both to my code. Matrices in my array will have strings in the first...

oltre 9 anni fa | 0

Domanda


Two for loops, one loop completes for each step of another loop... Or a better way of doing finding the different combinations of elements in a vector that sum to target value
I have two 2x100 matrices (M1 and M2) of the following form: Variable1 100 200 300 400 500 600 700 800 900 1000 Output1 ...

oltre 9 anni fa | 1 risposta | 0

1

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Domanda


Overwrite empty cell array with strings
I have an empty cell array, I want to add a row of strings to this matrix. The empty matrix is 12x100. The row of strings can...

oltre 9 anni fa | 1 risposta | 0

1

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Find a string from one cell, in a cell array of matrices
This worked for i=1:40 a = B{i}(30,2); isthere{i}=strcmp(a,'mystring') end isthere2=cell2mat(isthere); locat...

oltre 9 anni fa | 0

| accettato

Domanda


Find a string from one cell, in a cell array of matrices
Been stuck on this step for a few hours now... And stumped. My data is held in a cell array of matrices. I want to access the...

oltre 9 anni fa | 1 risposta | 0

1

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Domanda


Row numbers of the first zero, repeated
I have a column vector of 7000 data points... of the pattern 0 0 0 0 30 60 90 120 119 118.... 2 1 0 0 0 I want to return the ...

oltre 9 anni fa | 1 risposta | 0

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Curve fitting - how to find the residuals of new, unfitted data
Sorry!! I have found a solution to this. Incorporated the following into the code. This was the code for the residual plot fr...

oltre 9 anni fa | 0

| accettato

Domanda


Curve fitting - how to find the residuals of new, unfitted data
I fit a curve to the first 5 data points in a series using the 'cftool' GUI. I plotted the entire data series against this cu...

oltre 9 anni fa | 1 risposta | 0

1

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Domanda


Loop through Matrix, to create multiple matrices from every nth row
Hi. I have a very large matrix (1600x19). Call this matrix A. I want to create new matrices from this, t(i), and save them...

oltre 9 anni fa | 1 risposta | 0

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