Question

Error using powershell.exe: 'Select-Object' is not recognized

I want to get information about serial ports via the powershell. I got the results i want, when I write some line of code in co...

1 month ago | 0 answers | 0

Answered

Using matlab find power dissapated by 8ohm resistor and current supplied by 10v source

That is not a matlab problem, just use the formulas: P=I*V & V=I*R

Using matlab find power dissapated by 8ohm resistor and current supplied by 10v source

That is not a matlab problem, just use the formulas: P=I*V & V=I*R

7 months ago | 0

Answered

Serial port is not working

Oh i solved my own problem, i should use int8 commands: fwrite(s, [hex2dec('64')], 'int8');

Serial port is not working

Oh i solved my own problem, i should use int8 commands: fwrite(s, [hex2dec('64')], 'int8');

7 months ago | 0

| accepted

Question

Serial port is not working

Hello, I am working with the USB-RLY82 from robot-electronics.co.uk I have connected this device to the computer and it is av...

7 months ago | 1 answer | 0

Answered

Append a row to a workspace table

If you have two tables for example: a=table(); a.Var1(1,1) = 1; a.Var2(1,1) = 1; a.Var1(2,1) = 3; a.Var2(2,1) = 3; b=tab...

Append a row to a workspace table

If you have two tables for example: a=table(); a.Var1(1,1) = 1; a.Var2(1,1) = 1; a.Var1(2,1) = 3; a.Var2(2,1) = 3; b=tab...

8 months ago | 0

Answered

How to find all possible paths from point A to B in any direction in a matrix?

With this script you got all possible paths, but it is very slow so you have to optimize it (shouldnt be that hard but dont have...

How to find all possible paths from point A to B in any direction in a matrix?

With this script you got all possible paths, but it is very slow so you have to optimize it (shouldnt be that hard but dont have...

8 months ago | 1

Answered

objects of one class into another class

If you have these two classes: classdef clwinding properties d w end methods function...

objects of one class into another class

If you have these two classes: classdef clwinding properties d w end methods function...

10 months ago | 1

Answered

objects of one class into another class

If you define for example your class like this, you can multiply two object values: classdef BasicClass properties V...

objects of one class into another class

If you define for example your class like this, you can multiply two object values: classdef BasicClass properties V...

10 months ago | 1

Answered

How to delete/copy (store) rows of a struct?

You can delete the last 13 rows with: struc.data=[1:45]'; struc.data(end-12:end)=[];

How to delete/copy (store) rows of a struct?

You can delete the last 13 rows with: struc.data=[1:45]'; struc.data(end-12:end)=[];

10 months ago | 0

Answered

how to solve a 5th degree equation and write a loop function with it

use the functions syms and solve: syms x solve(x==a*b*(1-x)^5)

how to solve a 5th degree equation and write a loop function with it

use the functions syms and solve: syms x solve(x==a*b*(1-x)^5)

12 months ago | 0

Answered

Create results .txt files with loop

you can create txt files with: FP=fopen(sprintf('test%g.txt',1),'wt'); fprintf(FP,num2str(data)); fclose(FP);

Create results .txt files with loop

you can create txt files with: FP=fopen(sprintf('test%g.txt',1),'wt'); fprintf(FP,num2str(data)); fclose(FP);

12 months ago | 0

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Answered

How can I make a scatter plot with different markers ?

maybe somthing like this: symbol_list=['*';'+';'o';'<']; for i=1:4 scatter(x(:,i),y(:,i),symbol_list(i)) hold on en...

How can I make a scatter plot with different markers ?

maybe somthing like this: symbol_list=['*';'+';'o';'<']; for i=1:4 scatter(x(:,i),y(:,i),symbol_list(i)) hold on en...

12 months ago | 0

Answered

Create row with text from loop for a table

you can create table headers with: a=table(); for i=1:10; a.(sprintf('bar %g',i))=i; end

Create row with text from loop for a table

you can create table headers with: a=table(); for i=1:10; a.(sprintf('bar %g',i))=i; end

12 months ago | 0

| accepted

Answered

Continuous Spectrogram from multiple wav files.

Something like this: data_tot=[]; >> for i=1:numel(files) data=audioread(files(i)); data_tot=[data_tot ; data]; end...

Continuous Spectrogram from multiple wav files.

Something like this: data_tot=[]; >> for i=1:numel(files) data=audioread(files(i)); data_tot=[data_tot ; data]; end...

12 months ago | 0

| accepted

Answered

how to identify leap years

There is a leap year every four years, so you can use this: if mod(year,4)==0 'leap year' else 'not a leap year' en...

how to identify leap years

There is a leap year every four years, so you can use this: if mod(year,4)==0 'leap year' else 'not a leap year' en...

12 months ago | 0

Answered

Creating a data matrix that self generates.

somthing like this: count=0; m=zeros(100,1); rand_int=datasample(1:100,1); m(rand_int)=1; old_matrix=reshape(m,[10 10]); f...

Creating a data matrix that self generates.

somthing like this: count=0; m=zeros(100,1); rand_int=datasample(1:100,1); m(rand_int)=1; old_matrix=reshape(m,[10 10]); f...

12 months ago | 1

Answered

how can i solve this error?

You should use this: x=1:0.1:6; for i=1:numel(x) h(i,:)=z2+(x(i)-ls)*z4; end or even without ':' x=1:0.1:6; for i=1:numel...

how can i solve this error?

You should use this: x=1:0.1:6; for i=1:numel(x) h(i,:)=z2+(x(i)-ls)*z4; end or even without ':' x=1:0.1:6; for i=1:numel...

12 months ago | 0

| accepted

Answered

print the element of a matrix

a=-Inf; for i=1:numel(matrix(:,1)) if matrix(i,1)>a; a=matrix(i,1); end end disp(a)

print the element of a matrix

a=-Inf; for i=1:numel(matrix(:,1)) if matrix(i,1)>a; a=matrix(i,1); end end disp(a)

12 months ago | 1

Answered

print the element of a matrix

You can use: a=max(matrix(1,:)); disp(a) to disp the max value from the first row, or b=max(matrix(:,1)); disp(b) to ge...

print the element of a matrix

You can use: a=max(matrix(1,:)); disp(a) to disp the max value from the first row, or b=max(matrix(:,1)); disp(b) to ge...

12 months ago | 0

| accepted

Answered

How to join two points, on a 'map', created with the command 'ginput'?

You can use this code, which contains the function ginput_norm: https://nl.mathworks.com/matlabcentral/fileexchange/75469-ginput...

How to join two points, on a 'map', created with the command 'ginput'?

You can use this code, which contains the function ginput_norm: https://nl.mathworks.com/matlabcentral/fileexchange/75469-ginput...

1 year ago | 0

Submitted

ginput with normalized coordinates of the figure window.

Graphical input from mouse.

1 year ago | 4 downloads |

Answered

replace updated data with previous data in Matlab while Matlab and excel are linked.

Make a while loop in which matlab reads the data from the excel file every minute or every hour. You can generate a script that ...

replace updated data with previous data in Matlab while Matlab and excel are linked.

Make a while loop in which matlab reads the data from the excel file every minute or every hour. You can generate a script that ...

1 year ago | 0

| accepted

Answered

Reading and Replace lines in input data for many lines

What about creating a new txt file in every loop and overwriting the existing file2.txt instead of replacing lines?

Reading and Replace lines in input data for many lines

What about creating a new txt file in every loop and overwriting the existing file2.txt instead of replacing lines?

1 year ago | 0

Answered

What is z1 appearing when solving this nonlinear system for x y and z?

You can try to use the function vpasolve instead of solve

What is z1 appearing when solving this nonlinear system for x y and z?

You can try to use the function vpasolve instead of solve

1 year ago | 2

Answered

Legend with different text color and Latex Interpreter

I dont think it is possible to change the color with the latex interpreter. It can be used to make text bold for example and ins...

Legend with different text color and Latex Interpreter

I dont think it is possible to change the color with the latex interpreter. It can be used to make text bold for example and ins...

1 year ago | 0

Answered

How can I create a point shapefile from a csv (or matrix) with lat/long columns?

Im not sure what you want, but maybe this can help: for i=1:1780 T.(sprintf('var%g',i))=sprintf('var%g',i); end This cre...

How can I create a point shapefile from a csv (or matrix) with lat/long columns?

Im not sure what you want, but maybe this can help: for i=1:1780 T.(sprintf('var%g',i))=sprintf('var%g',i); end This cre...

1 year ago | 0

Answered

plot fails with -Inf

you can use Px(isinf(abs(Px)))=0; to set all -Inf values to 0

plot fails with -Inf

you can use Px(isinf(abs(Px)))=0; to set all -Inf values to 0

1 year ago | 0

Answered

How do I display the output of my stats_

Im not sure what you mean. With the command 'gcf' you get all the stats of the figure. The stats of the maskImage are in your ...

How do I display the output of my stats_

Im not sure what you mean. With the command 'gcf' you get all the stats of the figure. The stats of the maskImage are in your ...

1 year ago | 0

Answered

How can I perform region growing with two seed points?

Can you upload an image, and give examples of the values: I,x,y,x2,y2,reg_maxdist1,reg_maxdist2, then we can run the code and ch...

How can I perform region growing with two seed points?

Can you upload an image, and give examples of the values: I,x,y,x2,y2,reg_maxdist1,reg_maxdist2, then we can run the code and ch...

1 year ago | 0

| accepted

Answered

Creating a run log/count with a for loop within a table.

I think this is what you are looking for: switch_list=zeros(length(data),1); switch_list(2:end)=data(2:end,2)-data(1:end-1,2);...

Creating a run log/count with a for loop within a table.

I think this is what you are looking for: switch_list=zeros(length(data),1); switch_list(2:end)=data(2:end,2)-data(1:end-1,2);...

1 year ago | 0