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# MarshallSc

Active since 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...

5 months ago | 1 answer | 0

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Question

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...

6 months ago | 1 answer | 0

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Question

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,...

6 months ago | 1 answer | 0

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Question

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...

6 months ago | 1 answer | 0

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Question

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!...

8 months ago | 1 answer | 0

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Question

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...

9 months ago | 1 answer | 0

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Question

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: ...

9 months ago | 1 answer | 0

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Question

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...

10 months ago | 1 answer | 0

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Question

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...

10 months ago | 2 answers | 0

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Question

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...

11 months ago | 1 answer | 0

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Question

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...

11 months ago | 2 answers | 0

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Question

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...

11 months ago | 2 answers | 0

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Question

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? ...

11 months ago | 1 answer | 0

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Question

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...

11 months ago | 1 answer | 0

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Question

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...

11 months ago | 1 answer | 0

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Question

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...

12 months ago | 2 answers | 0

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Question

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,...

12 months ago | 1 answer | 0

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Question

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...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 3 answers | 0

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Question

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 ...

1 year ago | 1 answer | 0

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Question

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 ...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 2 answers | 0

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Question

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; ...

1 year ago | 1 answer | 0

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Question

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=...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 1 answer | 0

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Question

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 ...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 1 answer | 0