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How can i find an eleiment which comes only one in a matrix ?????
When A only contains positive integers: A = [1 2 3 1 2 4 1 2 4 5] B = find(sparse(A(:),1,1)==1)

約10年前 | 0

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How do I replace multiple values with one value in a cell array
Do you need it to be a cell array? It would be easier if you converted it to a numerical array. You can use *HISTC* to assign bi...

約10年前 | 0

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subplot in loop and save final figure, when clear all used after each loop
Generally the use of _clear all_ is not to be recommended, except at the beginning of a script. You can use *CLEARVARS* to free ...

約10年前 | 0

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Hi, I would like to save a vector (size change at every loop) in a matrix
Vectors with different sizes cannot be stacked into a single array. You can, for instance, use cell arrays as an alternative. ...

約10年前 | 0

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How to select specific data from a structure
Store your data like this data.variation(1).values = .. data.variation(2).values = .. data.variation(3).values = .. ...

約10年前 | 2

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Plots: Not traceable Line Plot
Do the order of the data points in the vectors make sense? I assume the vector data.DataTime is *not* monotonically increasing (...

約10年前 | 0

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How to fit a function with mutiple variables
So you're fitting a surface in 3D space, z = f(x,y) Take a look here: http://uk.mathworks.com/help/curvefit/fit.html

約10年前 | 0

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I need to give 36*36 matrix as input which contains only 4 columns and the remaining as non zero columns,now how can I reduce the input memory?
MyMatrix(:,1:4)

約10年前 | 0

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Please help me in generating multiple matrices and calculation
Add an extra loop to create a 3D matrix: N = 5; % No. of matrices P = 5; % The number of rows T = 10; % The number ...

約10年前 | 0

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How do I make a new variable made up of specific row from other variables?
Repeat ten times after me: *It is the contents of a variable that should be flexible, not the name!* (Print this and tape thi...

約10年前 | 2

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How to assign a structure with fields (incl the values in the fields) as an output in function?
function Sout = myfunction(x) S(1).field(1) = x ; S(2).field(2) = 2*x ; % etc. Sout = S ; % just copy %...

約10年前 | 0

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can anyone help in getting a matrix of 0's and 1's in which each row contains only one 1 and that 1 is restricted to take some places in each row?
r = [3 4 2 1 3] ; % last r(k) values of row k should be 0 N = 10 ; % number of columns A = zeros(numel(r), N) A(sub2i...

約10年前 | 0

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Plotting cos(omega*t)?
This might guide you a little: t = linspace(0,10,1000) ; % time vector f = 20 ; % a frequency omega = 2.*pi.*f ; % c...

約10年前 | 1

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randone1
random array with one 1 per row (and column)

約10年前 | ダウンロード 1 件 |

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Can anyone help me to generate a matrix of 0's and 1's randomly in which each contains only one 1 like [ 0 1 0 0 0; 1 0 0 0 0; 0 0 0 1 0].
One 1 in each ... what? rows, columns, or both? Given your examples and comment I assume both, so here is a simple one-liner....

約10年前 | 0

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Can i set all text boxes to their default value by using only one command
This task would be utterly trivial if you had put the handles to the boxes into an array on creation! handles.text(1) = .. ...

約10年前 | 1

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Random "Function definitions are not permitted in this context." When running integral
It does not happen to me. Did you perhaps overwrite the integralCalc.m file? It should start with the word function.

約10年前 | 0

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Combine numerous arrays with similar names
You should be able to avoid this problem by loading them into array of structs or cells, rather than in variables with variable ...

約10年前 | 1

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error with max function
What does which max tell you? Probably you have overwritten the function.

約10年前 | 2

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I need to plot a line of best fit to an equation which includes constants
xmin = min(x) x2 = cos(2*(xmin-x)) p = polyfit(y,x2,1) A = p(2) B = p(1)

約10年前 | 0

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How to use fprintf in Matlab R2016a
The problem is with fopen. Did you check the value of fileID? Most likely, you do not have the permission to write in the cur...

約10年前 | 2

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Problem with convert acceleration to velocity and displacement
Apparently there is an offset in your acceleration data. You can subtract a running mean A(k) = ValueFromDaq - mean(A(1:k-1)...

約10年前 | 0

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remove null terms from a string and adjust signs
str1 = strrep(str,'(0)*','') str2 = strrep(str1,'*(0)','')

約10年前 | 0

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How to delete rows from a CELL with certain values?
Similar question, similar answer ... <http://uk.mathworks.com/matlabcentral/answers/288229-how-to-remove-the-rows-with-partic...

約10年前 | 0

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I have three data sets. positions(p), depth(d) and conecentration(c). So I want single plot of concentration(y axis) against depth (yaxis) and position (x axis). It should be a single plot of c following p and d.I used plotyy/addaxis but I get 2 plot
Your questions suggests that two variables should be on the same y-axis. This is logically impossible ... Here are some comma...

約10年前 | 0

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Assign matrix names using for loops in formula
Remember: *It is the contents of the variable that should be flexible, not its name!* You will be way better off using arrays...

約10年前 | 1

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Datenum comparison not behaving
MM refers to minutes rather than months ... Use the lower case format string! datenum('20160113','yyyymmdd') See the hel...

約10年前 | 0

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plot tools tick mark pi
t = linspace(0,2*pi,100) ; y = sin(t) ; plot(t,y,'bo-') ; set(gca,'xtick',[0:pi:2*pi]) % where to set the tick marks ...

約10年前 | 2

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How to plot the graph of Greatest Integer Function ?
x=linspace(1,10,10) y=floor(x) % ARE THESE VALUES AS EXPECTED?? stairs(x,y) % rather than stem

約10年前 | 0

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How to remove duplicate rows from a matrix, and forcing the matrix size to be 4?
You can get unique rows of a matrix A using B = unique(A,'rows') Subsequently, you can copy some rows from B to fill it ...

約10年前 | 0