Answered

Hello, I want to merge a big matrices row by row

Try this >> m1=ones(3,3); >> m2=2*ones(3,3); >> M = nan( 6, 3 ); >> M(1:2:end,:)=m1; >> M(2:2:end,:)=m2; >> M M = 1...

Hello, I want to merge a big matrices row by row

Try this >> m1=ones(3,3); >> m2=2*ones(3,3); >> M = nan( 6, 3 ); >> M(1:2:end,:)=m1; >> M(2:2:end,:)=m2; >> M M = 1...

3 months ago | 0

| accepted

Answered

Why is there a syntax error for my code?

I don't think the problem is with your code, but rather with the users input. input( 'Please input ... ' ) expects an expression...

Why is there a syntax error for my code?

I don't think the problem is with your code, but rather with the users input. input( 'Please input ... ' ) expects an expression...

3 months ago | 0

Answered

How to vectorize string/char array concatenation with 'newline' characters for fprintf?

This statement should do it xmlOutString = strjoin( xmlData, '\n' );

How to vectorize string/char array concatenation with 'newline' characters for fprintf?

This statement should do it xmlOutString = strjoin( xmlData, '\n' );

3 months ago | 1

| accepted

Answered

read ASCII data with varying lengths of space as delimiters

subset.txt is a fixed-width text file. No doubt about that. Since R2018b (R2017a?) it is straight forward to read fixed-width t...

read ASCII data with varying lengths of space as delimiters

subset.txt is a fixed-width text file. No doubt about that. Since R2018b (R2017a?) it is straight forward to read fixed-width t...

3 months ago | 0

Answered

How to avoid Matlab inbuilt functions when executing F11 command to understand the code step by step?

"Is there any way to avoid the matlab inbuilt functions?" Alternately use F11 and F10. I guess it's possible to write a condit...

How to avoid Matlab inbuilt functions when executing F11 command to understand the code step by step?

"Is there any way to avoid the matlab inbuilt functions?" Alternately use F11 and F10. I guess it's possible to write a condit...

3 months ago | 0

Answered

Finding odd and even values without functions

Try this >> a=1:12 a = 1 2 3 4 5 6 7 8 9 10 11 12 >> (-1).^[a]==1 ans = 1×...

Finding odd and even values without functions

Try this >> a=1:12 a = 1 2 3 4 5 6 7 8 9 10 11 12 >> (-1).^[a]==1 ans = 1×...

3 months ago | 1

Answered

textread() for Importing Values into Multi-Column Matrices

"is there were a way to specify that the output of the textread" See textscan, 'CollectOutput', true "Is this possible with t...

textread() for Importing Values into Multi-Column Matrices

"is there were a way to specify that the output of the textread" See textscan, 'CollectOutput', true "Is this possible with t...

3 months ago | 0

Answered

Write/read binary files

This script %% ffs = 'test.bin'; X = 1+2i; %% write codes fid = fopen(ffs,'w','ieee-be'); tmpdatR = real((X)); tmpdatI ...

Write/read binary files

This script %% ffs = 'test.bin'; X = 1+2i; %% write codes fid = fopen(ffs,'w','ieee-be'); tmpdatR = real((X)); tmpdatI ...

3 months ago | 0

Answered

How to know which toolboxes i am implementing

See matlab.codetools.requiredFilesAndProducts and How to list all function dependencies in v2016

How to know which toolboxes i am implementing

See matlab.codetools.requiredFilesAndProducts and How to list all function dependencies in v2016

3 months ago | 0

Answered

why does matlab tell me that the "chop" command doesn't exist?

Make sure that you have the Control System Toolbox. chop() is a function in that toolbox. >> product_info = ver('control') pro...

why does matlab tell me that the "chop" command doesn't exist?

Make sure that you have the Control System Toolbox. chop() is a function in that toolbox. >> product_info = ver('control') pro...

3 months ago | 1

| accepted

Answered

How can I sum the elements in a vector row without using the sum function or any form of loops?

This is one way >> vec = (1:12); >> vec*ones(12,1) % replace '12' by length(vec) ans = 78 and check if that's the corre...

How can I sum the elements in a vector row without using the sum function or any form of loops?

This is one way >> vec = (1:12); >> vec*ones(12,1) % replace '12' by length(vec) ans = 78 and check if that's the corre...

3 months ago | 2

Answered

How to extract specific rows & columns from a text file

See Read formatted data from text file or string and try fileID = fopen(filename); net_names = textscan( fileID, '%s%*f%*f%f...

How to extract specific rows & columns from a text file

See Read formatted data from text file or string and try fileID = fopen(filename); net_names = textscan( fileID, '%s%*f%*f%f...

3 months ago | 1

| accepted

Answered

Same Rows between two matrix

See setdiff, Set difference of two arrays and try >> setdiff( A, B, 'rows' ) ans = 0×2 empty double matrix >> setdiff( ...

Same Rows between two matrix

See setdiff, Set difference of two arrays and try >> setdiff( A, B, 'rows' ) ans = 0×2 empty double matrix >> setdiff( ...

3 months ago | 0

Answered

Getting a j x k Matrix from j and k-dimensional Vectors Without a For Loop?

See Matrix multiplication >> J*K' ans = 4 5 8 10 12 15

Getting a j x k Matrix from j and k-dimensional Vectors Without a For Loop?

See Matrix multiplication >> J*K' ans = 4 5 8 10 12 15

4 months ago | 0

| accepted

Answered

set class property only once

Here is an minimal working example of the design, which I think OP tried to implement. That is, use the fact that "MATLAB® evalu...

set class property only once

Here is an minimal working example of the design, which I think OP tried to implement. That is, use the fact that "MATLAB® evalu...

4 months ago | 0

Answered

Save a non scalar struct

The variable ss isn't saved between the calls of fun(). For the struct saved, only ss(4).bv is defined. That's the way Matlab w...

Save a non scalar struct

The variable ss isn't saved between the calls of fun(). For the struct saved, only ss(4).bv is defined. That's the way Matlab w...

4 months ago | 0

Answered

Subscripted assignment dimension mismatch

See for loop to repeat specified number of times and note especially, "[...]Avoid assigning a value to the index variable within...

Subscripted assignment dimension mismatch

See for loop to repeat specified number of times and note especially, "[...]Avoid assigning a value to the index variable within...

4 months ago | 0

| accepted

Answered

column to multiple row conversion

Try col = rand(366,1); % sample data mat = col2mat( col, 2020 ); and col = rand(365,1); % sample data mat = col2mat( col )...

column to multiple row conversion

Try col = rand(366,1); % sample data mat = col2mat( col, 2020 ); and col = rand(365,1); % sample data mat = col2mat( col )...

4 months ago | 0

| accepted

Answered

How to Read and plot CSV file and delete infinity values from CSV file

Matlab provide many ways to read your csv-files. Here are two variants based on textscan, Read formatted data from text file or...

How to Read and plot CSV file and delete infinity values from CSV file

Matlab provide many ways to read your csv-files. Here are two variants based on textscan, Read formatted data from text file or...

4 months ago | 0

| accepted

Answered

size of matrices in a struct

"add all the sizes of matrices" , but your code adds the heights (i.e. the number of rows). What exactly do you mean by "all si...

size of matrices in a struct

"add all the sizes of matrices" , but your code adds the heights (i.e. the number of rows). What exactly do you mean by "all si...

4 months ago | 1

| accepted

Answered

how to replace all elements with zeros after "ONE" (number) in every column of matrix???

Try this >> m = randi([0,1],[6,8]) m = 0 0 0 1 0 0 0 0 0 1 1 1 1 1...

how to replace all elements with zeros after "ONE" (number) in every column of matrix???

Try this >> m = randi([0,1],[6,8]) m = 0 0 0 1 0 0 0 0 0 1 1 1 1 1...

5 months ago | 0

| accepted

Answered

Toolstrip behavior and Editor tabs

I don't know what the documentation says, but I guess it doesn't describe in any detail how the toolstrip shall behave. Yes, wi...

Toolstrip behavior and Editor tabs

I don't know what the documentation says, but I guess it doesn't describe in any detail how the toolstrip shall behave. Yes, wi...

5 months ago | 1

| accepted

Answered

When are search terms highlighted in the online documentation?

Tech support answers: "[...] the development team [...] confirm that this is not currently possible. [...] The developers will c...

When are search terms highlighted in the online documentation?

Tech support answers: "[...] the development team [...] confirm that this is not currently possible. [...] The developers will c...

5 months ago | 0

Answered

How to optimize write operation to disk for faster execution?

Replace for i=1:length(data_hex_out) fprintf(h_file_out,'%s',data_hex_out(i,:)); end by fprintf( h_file_out, '%s', perm...

How to optimize write operation to disk for faster execution?

Replace for i=1:length(data_hex_out) fprintf(h_file_out,'%s',data_hex_out(i,:)); end by fprintf( h_file_out, '%s', perm...

5 months ago | 0

| accepted

Answered

What can I do with a web browser handle?

Undocumented Matlab and this book might be the best sources of information on the use of Java in Matlab(, besides the Matlab doc...

What can I do with a web browser handle?

Undocumented Matlab and this book might be the best sources of information on the use of Java in Matlab(, besides the Matlab doc...

5 months ago | 1

Answered

Can I save multiple seperate functions to one .m file?

IMO: The best solutions is a class with statics methods. >> lib.div( 8, 2 ) ans = 4 >> lib.mult( 8, 2 ) ans = 16 ...

Can I save multiple seperate functions to one .m file?

IMO: The best solutions is a class with statics methods. >> lib.div( 8, 2 ) ans = 4 >> lib.mult( 8, 2 ) ans = 16 ...

5 months ago | 1

Answered

Problems with averages and storing values

I like to present a different approach, which includes divide the projects into steps use Code Sections use functions use de...

Problems with averages and storing values

I like to present a different approach, which includes divide the projects into steps use Code Sections use functions use de...

5 months ago | 0

Answered

Enumeration of classes in inheritance

I might neither fully have understood your code nor the title of the question. Nevertheless, I think this is a better approach. ...

Enumeration of classes in inheritance

I might neither fully have understood your code nor the title of the question. Nevertheless, I think this is a better approach. ...

5 months ago | 0

| accepted

Question

When are search terms highlighted in the online documentation?

Background I use R2018b. I've created an online documentation for a toolbox. HTML help files. I written m-files and used pub...

6 months ago | 1 answer | 2