Community Profile # James Peach

Last seen: 9 months ago Active since 2020

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Question

Use sorted variable to reorder rows of a matrix
I am attempting to reorder the rows of a matrix from greatest number of nonzero elements to least. I calculate the number of zer...

10 months ago | 2 answers | 0

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Question

Store points into different cell arrays using if statement and ismember()
I am working with cell arrays trying to store points in them. I am trying to use and if statement with ismember() as my trigger ...

11 months ago | 0 answers | 0

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Question

Overwriting information in a cell array
I am working with cell arrays and matrices. I am trying to overwite information in a cell but instead it places the new data int...

11 months ago | 1 answer | 0

### 1

Question

Remove all NaN values from an array.
I have a an arary with NaN values and Im trying to return the array with no NaN rows but the command Im using only returns the f...

12 months ago | 1 answer | 0

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Question

Pseudo Element by Element Vector Subtraction
I am trying to subtract vectors stored in two different arrays. I want to subtract every row vector in matrix B from every row v...

12 months ago | 1 answer | 0

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Question

Count the number of times a value appears in a row and save the row number
I wanted to sort points in an array based on how many times a number less than or equal to 1.5 appears in the row. I want to sav...

1 year ago | 1 answer | 0

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Question

Rescale multiple spheres on the same 3d plot
I am trying to plot multipe spheres of different sizes on the same 3D plot. I'd like the spheres placed closest to the origin to...

1 year ago | 1 answer | 0

### 1

Question

Rescale points plotted using scatter3 based on their distance from the origin
I wanted to know if its possible to rescale the markersizes used in scatter3 based on the marker's distance from the origin (0,0...

1 year ago | 1 answer | 0

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Question

Select and Save the points that have 3 neighbors exactly 1 unit of distance away.
I am trying to select and save points to an array. I want to get all the points that have 3 points exaclty 1 unit away. I have s...

1 year ago | 1 answer | 0

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Question

What's the diameter of the standard circle marker 'o' in scatter3 plot ?
Does anyone know how to find out the diameter size of the standard circle marker 'o' on a scatter3 plot?

1 year ago | 1 answer | 0

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Fix an infinite while loop by properly counting the number of elements added to an array
EDIT: I solved my problem by moving the acceptance counter into my if statement within the while loop instead of relying on chan...

1 year ago | 0

| accepted

Question

Fix an infinite while loop by properly counting the number of elements added to an array
I am trying to calculate the condition numbers of multiple square 2x2 matrices. I generate a matrix A with random value of l, m...

1 year ago | 2 answers | 0