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C.J. Harris


Last seen: 2 years ago |  Active since 2011

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Answered
Division with negative powers
u = [0 0 1 0 1]; v = [1 4 4 4 3]; Result = filter(u,v,[1, zeros(1,7)]) ans = 0 0 1 -4 13 -40 121 -364

6 years ago | 1

| accepted

Answered
How to add 'Description' to '.jpeg'?
If you're only interested in the 'Comment' field, then you can set it directly: imwrite(i,'figC.jpg', 'Comment', 'Made with...

6 years ago | 0

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Answered
How to make array with first values of matrix
% Input A = [1 2 3 4 5 6 7 8 9 10;2 2 3 3 4 5 5 2 3 3]'; % Result B = A([boolean(1); diff(A(:,2))~=0],1);

6 years ago | 0

Answered
How do I read strings with textscan?
Have you tried specifying the delimiter? formatSpec = '%d %s %f %f %f %f %f %f %f %f %f'; C = textscan(fid,formatSpec,15...

6 years ago | 0

Answered
Help with dec2hex (case sensitive and Zero)
You could change the line: CarsHex=dec2hex(CarsDecimal); to: CarsHex=lower(arrayfun(@(x) (dec2hex(x)), CarsDecimal,...

6 years ago | 1

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Answered
not enough input argument
Your code, which I've included below takes two inputs, x and y, however you don't use the first input 'x' anywhere in your code,...

6 years ago | 0

Answered
Why this code is error???
Because given your definitions of x and y, the expression _3+(-x)+(-y)_ results in [3 1 -1 -3], and you cannot calculate the fac...

7 years ago | 0

Answered
Suppose I have a matrix of size(3,3).This is up-scaled by 2 making it (6,6).So there would be a number of vacant values between each element of the initial (3,3) matrix.Then how do you fill up the 0 values in addmatrixR by bicubic/liner interpolation
Just use interp2 on the original matrix, like so: prevR = magic(3) ans = 8 1 6 3 5...

7 years ago | 1

Answered
What is the matrix code for column vectors
There are a few ways to do this, for example: x = [u' v (u' + v)] The apostrophe can be used to transpose a matrix. You ...

7 years ago | 0

Answered
How can I find a sub-folder in the (just in the) current directory ?
You can specify _exist_ to only look in the current directory. For example: lFolder = 'MyFolder'; if(exist([cd filesep l...

7 years ago | 0

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Answered
How to convert Matlab figure to excel sheet ?
See this related question: <https://uk.mathworks.com/matlabcentral/answers/100687-how-do-i-extract-data-from-matlab-figures>

7 years ago | 0

Answered
Why function blpsrv is 'undefined' after Datafeed Toolbox is installed
See the product requirements at this <https://uk.mathworks.com/products/availability.html#DF link> It states that Bloomberg d...

7 years ago | 0

Answered
Extract group of identical values from an array
a = [0 0 0 1 1 1 0 0 0 0 0 1 1 1 1 0 0 1 1]; nStart = find(diff([0 a 0]) == 1); nEnd = find(diff([0 a 0]) == -1)...

7 years ago | 0

Answered
Which version of system generator supported by MATLAB 2016a ?
See the following link: <https://www.xilinx.com/support/answers/55830.html AR# 55830> It states that for Vivado System Genera...

7 years ago | 0

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Answered
How do I import a timestamp from Excel/csv?
Try this: [NUMERIC, TXT, RAW] = xlsread('My_Spreadsheet_Name'); You'll find the timestamps in both the TXT and RAW outp...

7 years ago | 1

Answered
which versions are compatible for matlab, intel visual fortran and visual studio
Follow this link: <https://uk.mathworks.com/support/sysreq/previous_releases.html System Requirements & Platform Availability> ...

7 years ago | 0

Answered
how can I extract first number of cell?
a ={[8,21,291,94,455,241,227,36,130] [15,248,455,241,227,36,130] [21,291,94,455,241,227,36,130] [36,130]}; *Question 1:* ...

7 years ago | 2

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Answered
I have a data set like this, How can i delete raw ofs values less than 10, and T values which are zero, How can i sum s values which are related to same T values ?
One way to do it: data = [878.00 9.00 1.00 12.00 166.00 12.00 ...

9 years ago | 0

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Answered
How can I change tunable parameters in generated C++ class from private to public?
If you set parameter member visibility option to 'public' this will move the tunable parameters structure from private to public...

9 years ago | 1

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Answered
I am unable to identify the two simulink blocks that are shown in the snapshot of a Control System Simulink Model.
The first block is the 'Display' block. See <http://mathworks.com/help/simulink/slref/display.html> The second block is the '...

9 years ago | 0

Answered
how to retrieve the Simulink execution order from the workspace
As far as I know there isn't really an easy way to do this (i.e. using get_param or similar). Instead you have to debug your mod...

9 years ago | 0

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Answered
HELP PLEASE!! How do I print matlab "1:5 multiply increases each line"
Do you mean like this? clc fprintf(' SGD USD GBP EURO \n') for x= 1 : 5 USD = 0.69 * 2 * x; GBP = 0...

9 years ago | 1

Answered
In Matlab r2010b, how to find that string contains japanese character?
Depends on what you define as Japanese. The Hiragana characters have an Unicode range from 12352-12447, while the Katagana chara...

9 years ago | 3

Answered
Letter refer to number
Nr2 = double(Letter)-'A'+1

9 years ago | 0

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Answered
how to create a data buffer in simulink
I believe the _Tapped Delay_ block should do what you are requesting. You can find this block in the Simulink Library Browser un...

9 years ago | 1

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Answered
Summing different set of arrays.
nYear = 2002; nValue = 14; x = [7 10 2001 24 10 5 1 7 10 2001 14 15 2 1 7 10 2001 14 13 2 9 ...

9 years ago | 0

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Answered
how to convert model from continuous state space with disturbance to discrete
% Create state space model sys = ss(A,B,C,D); % Convert to discrete, where dt is your discrete time-step (in seconds...

9 years ago | 2

Answered
Cutting a certain pattern from an array
A = [1 2 3 4 5 6 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 0 0 0]; B = [0 0 0 0]; C = A(setxor(cell2mat(arrayfun(@(x)(x:x+lengt...

9 years ago | 1

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Answered
How to implement the counter (really simple)?
Infeasibles = any((A<=0) | (B>100),2);

9 years ago | 0

Answered
Why does char give me an empty output?
This is because ASCII characters 1 to 7 are not visible characters. See the 'Dec' column: <http://www.asciitable.com/>

9 years ago | 1

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