Answered

Calling objects in legend changes marker size

You will never be able to do this. When you ask for the second output of legend you invoke a backwards compatibility mode that c...

Calling objects in legend changes marker size

You will never be able to do this. When you ask for the second output of legend you invoke a backwards compatibility mode that c...

20 hours ago | 0

Answered

plot with input arguments

funs_cell = {'sin', 'cos', 'tan', 'sinh'}; markers = {'+', 'o', '*', 'x', 's'}; funs = cellfun(@str2fun, funs_cell, 'uniform',...

plot with input arguments

funs_cell = {'sin', 'cos', 'tan', 'sinh'}; markers = {'+', 'o', '*', 'x', 's'}; funs = cellfun(@str2fun, funs_cell, 'uniform',...

1 day ago | 0

Answered

Multiplication of specific column vector elements

You have symbolic functions with array valued outputs -- obo is a symbolic function with a 3 x 1 body for example. In MATLAB, ...

Multiplication of specific column vector elements

You have symbolic functions with array valued outputs -- obo is a symbolic function with a 3 x 1 body for example. In MATLAB, ...

1 day ago | 0

Answered

Importing and Editing a text file using strrep and user inputs

Stage_Correction = strrep(Mac_Data, '(m)', user_input_stage); Mac_Data does not exist in your code at that point. Your replace...

Importing and Editing a text file using strrep and user inputs

Stage_Correction = strrep(Mac_Data, '(m)', user_input_stage); Mac_Data does not exist in your code at that point. Your replace...

1 day ago | 2

Answered

Can I create a symbolic variable with units and assign an initial value of 0

Units are implemented by multiplying by a symbolic variable that can be recognized by the units manipulation package. Unfortunat...

Can I create a symbolic variable with units and assign an initial value of 0

Units are implemented by multiplying by a symbolic variable that can be recognized by the units manipulation package. Unfortunat...

1 day ago | 0

Answered

readtable does not handle excel dates and times properly

In your file, the data in the first column is a complete date and time, that has been formatted as date only, and formatted for ...

readtable does not handle excel dates and times properly

In your file, the data in the first column is a complete date and time, that has been formatted as date only, and formatted for ...

1 day ago | 0

Answered

Does anyone know why this script isnt working?

The error message is wrong . The code needs the x to be the first row and the y to be the second row. Not columns.

Does anyone know why this script isnt working?

The error message is wrong . The code needs the x to be the first row and the y to be the second row. Not columns.

1 day ago | 0

Answered

How can I save the video file from matlab videoPlayer

videoFWriter=vision.VideoFileWriter('result.avi','FrameRate',videoReader.info.VideoFrameRate); You have that line inside th...

How can I save the video file from matlab videoPlayer

videoFWriter=vision.VideoFileWriter('result.avi','FrameRate',videoReader.info.VideoFrameRate); You have that line inside th...

2 days ago | 1

| accepted

Answered

My GPU coder has wrong output.

https://www.mathworks.com/help/fixedpoint/ref/coder.nullcopy.html X = coder.nullcopy(A) copies type, size, and complexity of A ...

My GPU coder has wrong output.

https://www.mathworks.com/help/fixedpoint/ref/coder.nullcopy.html X = coder.nullcopy(A) copies type, size, and complexity of A ...

2 days ago | 0

Answered

I keep getting this error: Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in ME450_project_linkage (line 16) P5_pos = D*[0;-1+sin(theta)];

P5_pos = D*[0;-1+sin(theta)]; Your theta is 1 x 2001, so -1+sin(theta) is 1 x 2001. You are trying to create an array with two ...

I keep getting this error: Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in ME450_project_linkage (line 16) P5_pos = D*[0;-1+sin(theta)];

P5_pos = D*[0;-1+sin(theta)]; Your theta is 1 x 2001, so -1+sin(theta) is 1 x 2001. You are trying to create an array with two ...

2 days ago | 0

Answered

How to use linspec

The parameters of linspace are starting value ending value total number of values to use. In the below discussion I will ref...

How to use linspec

The parameters of linspace are starting value ending value total number of values to use. In the below discussion I will ref...

2 days ago | 1

| accepted

Answered

Saving mat file with prefix over loop

clear all close all d = uigetdir(); filePattern = fullfile(d, '*.mat'); file = dir(filePattern); for k = 1: numel(file) ...

Saving mat file with prefix over loop

clear all close all d = uigetdir(); filePattern = fullfile(d, '*.mat'); file = dir(filePattern); for k = 1: numel(file) ...

2 days ago | 0

| accepted

Answered

MATLAB Version 2007a re-install on new laptop

Use https://www.mathworks.com/downloads/web_downloads/select_release?mode=gwylf . Provided you have authorization, on the right ...

MATLAB Version 2007a re-install on new laptop

Use https://www.mathworks.com/downloads/web_downloads/select_release?mode=gwylf . Provided you have authorization, on the right ...

2 days ago | 0

Answered

Make matlab write to a text file WITHOUT scientific notation.

You can use dlmwrite() and pass in a 'precision' option that is a character vector representing a % format. For example, you cou...

Make matlab write to a text file WITHOUT scientific notation.

You can use dlmwrite() and pass in a 'precision' option that is a character vector representing a % format. For example, you cou...

2 days ago | 0

Answered

What is the most efficient way to store a data set (Made up of multiple txt files).

It turns out that MATLAB stores each variable of a table in a cell array entry, so the storage requirements are overhead for st...

What is the most efficient way to store a data set (Made up of multiple txt files).

It turns out that MATLAB stores each variable of a table in a cell array entry, so the storage requirements are overhead for st...

2 days ago | 0

| accepted

Answered

How do I show an image inside a figure?

The three main functions to display an image in an axes are image(), imagesc(), and imshow() . Of these, image() is the most ba...

How do I show an image inside a figure?

The three main functions to display an image in an axes are image(), imagesc(), and imshow() . Of these, image() is the most ba...

2 days ago | 0

| accepted

Answered

How can i load .mat files from subfolders with for loop?

projectdir = 'C:\Users'; foldinfo = dir( fullfile(projectdir, 'I*') ); foldinfo(~[foldinfo.isdir]) = []; %get rid of I* that...

How can i load .mat files from subfolders with for loop?

projectdir = 'C:\Users'; foldinfo = dir( fullfile(projectdir, 'I*') ); foldinfo(~[foldinfo.isdir]) = []; %get rid of I* that...

2 days ago | 0

| accepted

Answered

Does anybody know how to write a function which returns the coordinates of a convex hull of a list of certain points?

convexHull = boundary(x, y, 0);

Does anybody know how to write a function which returns the coordinates of a convex hull of a list of certain points?

convexHull = boundary(x, y, 0);

2 days ago | 0

Answered

How to use loops for specific numbers

%Ball Trajectory Graph %Define the for loop first velocity= [30,40,47.16]; angle=[5,7.5,10,30,45,60]; for ii=1:length(veloci...

How to use loops for specific numbers

%Ball Trajectory Graph %Define the for loop first velocity= [30,40,47.16]; angle=[5,7.5,10,30,45,60]; for ii=1:length(veloci...

2 days ago | 0

Answered

Undefined function or variable 'nrbevalIGES'.

Look in the comments on the submission: deng deng helpfully added: ===Undefined function or variable 'nrbevalIGES' ===I GOT ...

Undefined function or variable 'nrbevalIGES'.

Look in the comments on the submission: deng deng helpfully added: ===Undefined function or variable 'nrbevalIGES' ===I GOT ...

2 days ago | 0

Answered

If I have an older version of Matlab can it be upgraded to a newer version like 2015 for free?

I have Matlab 2009, but can I update/upgrade to a newer version without getting the lastest version and paying more than I alrea...

If I have an older version of Matlab can it be upgraded to a newer version like 2015 for free?

I have Matlab 2009, but can I update/upgrade to a newer version without getting the lastest version and paying more than I alrea...

2 days ago | 0

Answered

Why is my plot blank ?

U is a symbolic variable, so f(U,0.01) is a symbolic expression involving the symbolic variable U plot() can never plot symboli...

Why is my plot blank ?

U is a symbolic variable, so f(U,0.01) is a symbolic expression involving the symbolic variable U plot() can never plot symboli...

2 days ago | 0

Answered

Undefined function "setFixedTransform"

It does appear to be a bug. The line setFixedTransform(newBody1,tformTree); should probably be setFixedTransform(newBody1.Joi...

Undefined function "setFixedTransform"

It does appear to be a bug. The line setFixedTransform(newBody1,tformTree); should probably be setFixedTransform(newBody1.Joi...

3 days ago | 1

Answered

How can i plot this graph?

symbolic mod() does not mean what you think it means. When you pass an expression, it takes the mod of each subexpression, leavi...

How can i plot this graph?

symbolic mod() does not mean what you think it means. When you pass an expression, it takes the mod of each subexpression, leavi...

3 days ago | 0

| accepted

Answered

Finding matrix modular for encryption

You will have problems with this due to the limited precision available to real numbers. For example, 1/3 and 1/10 cannot be exa...

Finding matrix modular for encryption

You will have problems with this due to the limited precision available to real numbers. For example, 1/3 and 1/10 cannot be exa...

3 days ago | 0

Answered

Restart script at specific line if faults

No. while true if ~exist('restarting', 'var') restarting = false; end if ~restarting all of th...

Restart script at specific line if faults

No. while true if ~exist('restarting', 'var') restarting = false; end if ~restarting all of th...

3 days ago | 0

Answered

How to use spacing around operator?

Just like -5 is "unary minus", +5 is "unary plus". [a -b] is [a, -1*b] and [a +b] is [a, +1*b] -- except that uminus and uplus h...

How to use spacing around operator?

Just like -5 is "unary minus", +5 is "unary plus". [a -b] is [a, -1*b] and [a +b] is [a, +1*b] -- except that uminus and uplus h...

3 days ago | 0

Answered

Simulink - Apply different Delay to different columns of input data

If you are using From File or From Workspace, then the first column of the array must be the timestamp, and the timestamp applie...

Simulink - Apply different Delay to different columns of input data

If you are using From File or From Workspace, then the first column of the array must be the timestamp, and the timestamp applie...

3 days ago | 0

Answered

Integration over function between two limits

integral() is used only for numeric integration. For symbolic integration, use int() if you want to see the closed form solutio...

Integration over function between two limits

integral() is used only for numeric integration. For symbolic integration, use int() if you want to see the closed form solutio...

3 days ago | 0

Answered

Calculation of entropy shows " the entropy of the image is = NaN", please help

H = sum(-m.*log2(m)); The problem with the code is that you have some entries which are 0. You should only be calculating based...

Calculation of entropy shows " the entropy of the image is = NaN", please help

H = sum(-m.*log2(m)); The problem with the code is that you have some entries which are 0. You should only be calculating based...

3 days ago | 0