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Question
Multiplying Matrices, but with elements added together
Hello! I have vector matrix A (3x1) and row matrix B (1x3). When multipying A*B, instead of having each element in the new 3x3 ...
5 years ago | 1 answer | 0
1
answerQuestion
How do I offset a vector plot?
Hello there! I have this bit of code below. I want it to plot points like (5,5) (6,7)(7,9)(8,11)(9,13), etc. Basically, the x b...
5 years ago | 1 answer | 0
1
answerQuestion
How do I plot a scatter plot where the x is the position of the element in a vector and the y is the value of the element in the vector?
Hello! I am trying to plot a scatter plot, with a single vector. For example, if I have a vector A which is [1; 6; 2], there wo...
5 years ago | 1 answer | 0
1
answerQuestion
How do I get every combination of 3 vectors?
Hello! I have 3 vectors, one is a 35x1, one is a 31x1 and the last one is a 13x1. I want to create some kind of loop that outpu...
5 years ago | 3 answers | 0
3
answersQuestion
When I multiply two matrices, say a 3x3 and a 3x1, how would I make the final result a 3x3x3 matrix, with the value of each element being a result of the product of the row, column, and height?
Hello! I am looking to multiply a 2d matrix with a vector, and have it produce a 3d matrix with every combination of the elemen...
5 years ago | 1 answer | 0
1
answerQuestion
How do I take one matrix, divide by another, to make a bunch of new matrices with the dimension of the original matrix, but each scaled by each element of the second matrix?
Hello! I have a question. I have a matrix, 91 by 93, and i want to divide each element of the matrix by a scalar. However, I ha...
5 years ago | 1 answer | 0
1
answerQuestion
How do I plot all the points on a matrix (in 3d) with the x and y being the locations of the elements of the matrix, and the z being the value of the elements?
Hello! I have a question. I am trying to make a scatter plot in 3d, with a 49 by 49 matrix as a starting value. My end goal wou...
5 years ago | 1 answer | 0
