MarshallSc
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Awarded to MarshallSc on 01 Jun 2022
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Awarded to MarshallSc on 12 Dec 2021
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Question
Specify Square Marker in a Plot
For a plot like below: X = (1:25); Y = [2 1 2 2 2 3 1 4 3 2 1 2 3 7 11 8 5 2 3 4 5 8 5 5 7]; fig1 = figure(); set(fig1,'colo...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Remove Terms in Complex Valued Data That Has Only Real or Imaginary Part
I have a complex numeric array (file attached) that some of its terms have only real or imaginary part, and the rest have both t...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Build a Relation Between Matrix Elements
I have a complex valued matrix for example: a = complex(1.1,-1.3); b = complex(1.3,1.2);c = complex(1.5,-1.4); d = complex(1.8,...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
For Loop in 3D Array
For 2D arrays, the operation that I want to execute is: a = rand(3,3); for i = 1:numel(a) for j = 1:numel(a) out...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Solving a set of simultaneous equations
I have the following set of simultaneous equations that I want to solve. I'm just confused as to what solver is the best choice!...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
All the possible path between two points without repetition
I'm looking to get the value of all pairwise data between two points by an iteration. The iteration contains direct and indirect...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Performing Iteration for a Matrix
I want to perform an iterative operation on each element of a matrix according to this equation which is for a 3 x 3 matrix: ...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Plotting a Graph From a Cell Array
I have a cell array, let's call it A, which is a 4 x 4 cell each containing a 10 x 10 numbers from 1 to 5 (the cell array attach...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Find the Minimum Combination of Sum
I have a 100 x 1 vector with numeric values, what I want to find is the minimum combination of the reference point with the uppe...
presque 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
Cell Array Reshape Operation
I have this 10x10 cell array: I want to reshape it into a 4x4 cell each containing a 10x10 matrix keeping the order of each v...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Error Using cellfun for a Matrix
I have an 81 x 81 matrix that divided it into smaller matrices: a = rand(81,81); n = 3*ones(1,27); a_d = mat2cell(a,n,n) Now...
presque 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
Performing an Operation on a Matrix Using Complex Numbers
I have a matrix with the operation perfomed as: a = rand(10,10); a_x = @(x) sum((x-a)./(x+a),'all'); aa = arrayfun(a_x,a); I...
presque 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
Write Similar Expressions in Arrayfun
Is there a concise way to write these 4 expressions so that I don't have to write all of them seperately mayble in a for loop? ...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Roots of Polynomial in for Loop
I have these two vectors that are the 2nd and zero order coefficients: R = [0.0068 0.0036 0.000299 0.0151]; H = [0.0086 0.004...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Quadratic Optimization for 4D in for Loop
I need to find the roots (complex in nature) of an objective function in 4D by using quadratic optimization for the function bel...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Differential Operator in Matlab in 1 Dimension
In common, the differential operation is defined as "dy/dx" which means differentiate y with respect to x and in matlab it's def...
presque 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
Solving a Second Order Piecewise Quadratic Equation
How can I solve a second order quadraic nonlinear equation for each components of two matrices. For example, having: a=rand(10,...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Multi dimensional vector operation
Can someone please help me with figuring out the code for the operation below: I have two sets of matrices, for example: r_x=r...
environ 3 ans il y a | 1 réponse | 0
1
réponseQuestion
If statement in a for loop
I have a 4*4 array, that each contains a 10*10 matrix. I want to assign a value to the components that are bigger than 1. I wrot...
environ 3 ans il y a | 3 réponses | 0
3
réponsesQuestion
Vector from character array
If I have a character array for example: A={'high','low','low'} I want to introduce a vector for example B in which if the it ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Creating charts in Matlab
Does Matlab have this capability to draw a chart like below for example: What I want to draw is I have different matrices (x ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Element wise cell division
This might sound very basic and silly, but I have two cells with complex doubles that I need to divide element wise. The problem...
plus de 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
Cell components perpendicular division
If I have a 4*4 cell array that each contain a 10*10 matrix as below (for example, Aii=10*10 matrix): A={Aii Aij Aik Ail; ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Calculating divisions in matrices
If I have 8 different 10*10 matrices, for example as: Ai=rand(10,10); Aj=rand(10,10); Ak=rand(10,10); Al=rand(10,10); Bi=...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Perform operation on character arrays
How can I perform some operations on character cells? For example, after an if statement for a numeric cell array, I get another...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
If statement for cells
Hi, I have 3 different cell arrays like below - same size (let's call them A, B and C): That I need to evaluate in an if stat...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Multiply a cell array with a matrix in an equation
Hello, I have a cell array like below (let's call it C). C: And a 4*4 matrix for example: A=rand(4,4); I want to multiply ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Cell array and matrix operation
Hello, I have a 4*4 cell array that has a 10*10 matrix within each cell like below (let's call it C): C= And two 10*10 separ...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Covert a cell with the same indices into individual matrices
Hello, does anyone how I can convert a 10*10 cell array that each contains a 4*4 matrix into individual matrices. For example co...
plus de 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Inverse of a cell array
Hello, I'm trying to get the inverse values of a 10*10 cell array, each containing a 4*4 matrix. The code is (credit to Stephen ...
plus de 3 ans il y a | 1 réponse | 0
1
réponse
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