Linked Questions

1
vote
1answer
548 views

How to build a matrix from blocks [duplicate]

Brief MWE Given ...
3
votes
2answers
329 views

how can I type brackets for column vectors? [duplicate]

My goal is to type $\begin{pmatrix} a \\ b \\ c \end{pmatrix}$ in mathematica. I try {a,b,c} but i am not sure if it will be converted to the corrected output.
0
votes
1answer
188 views

Matrix consisting of the matrices [duplicate]

I need Dirac Matrix in my work. They consists of PauliMatrix and ZeroMatrix, which is: ZeroMatrix:=IdentityMatrix[2]-IdentityMatrix[2] I define Dirac Matrix as: ...
9
votes
6answers
2k views

How to efficiently input matrices in Mathematica (compared to what MATLAB offers)

Every time I want to manually input a matrix in Mathematica, it takes me a while since every new row has to be in a separate pair of curly braces. For instance: ...
8
votes
2answers
2k views

Entering block matrices for an arbitrary matrix size

Background: How to enter matrices in block matrix format? and the following: I want to create $$ f(A,t) = \left [ \begin{matrix} A & t \\ 0 & 1 \end{matrix} \right ] $$ where $A$ is a $...
3
votes
3answers
446 views

Joining 4 matrices into one [closed]

I have four square matrices 5x5 and I need to join them into one 10x10. I tried various commands like Join, Append, Union and none work properly. Any advice?
0
votes
1answer
1k views

Add a sub-matrix of zeros in big matrix [duplicate]

I have a matrix of size $24\times24$ composed by 8 $3\times3$ submatrices in a diagonal way. I want to add a matrices of zeros ($3\times3$) between the sub-matrices, so the final matrix would be of ...
6
votes
1answer
797 views

Building a matrix in block matrix format

Now, I'm aware of the threads existing about this question such as: How to enter matrices in block matrix format? How to form a block-diagonal Matrix from a list of matrices? But I wasn't able to ...
4
votes
2answers
131 views

Place matrix into a larger matrix filled with zeros

I have a matrix with two rows and varying column length. I want to transform this matrix into another matrix of dimensions (nrows+ncolumns)x(nrows+ncolumns) where the first two columns are filled with ...
4
votes
1answer
184 views

Operator-Input Form for Lists?

The documentation on Operator-Input Forms shows the following example which suggests that there is an alternative, convenient, operator-style, tidy technique for inputting lists. However, there is ...
4
votes
1answer
403 views

Printing Block Matrices

I have a 2D matrix, such as: d=2; M=Array[a, {d^2,d^2}]; and I would like to print it in a way which emphasizes its dxd block matrix structure. If ...