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If I have a matrix of data and I want to pull out certain data cells and arrange them in another matrix?
a=[10 40 50 80 20 40 20 34 30 50 32 50 20 38 40 36] c=find(a(:,1)==20) out= a(c,3)

14年弱前 | 2

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I keep getting a syntax error with my program???
in the If statement you need to use '==' Your first if statement would be if x==0 & y==0 disp('This point is located...

14年弱前 | 0

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Inserting date/time in an array
Well here is the code start={'01.04.1987 14:00:00'}; start1={'01.04.1987 14:00:01'}; % you can put your end valu...

14年弱前 | 2

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When to accept an answer for someone
How about Do not accept your own answer unless 1. The author has thanked you replied that the problem has been solved ...

14年弱前 | 8

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Cell
<http://www.mathworks.com/help/techdoc/ref/cell.html>

14年弱前 | 2

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vector index of consecutive gap (NaN) lengths?
A very crude way.. pretty sure can be done better... A = [2 4 NaN 7 9 NaN NaN NaN 32 NaN NaN 8]; A(~isnan(A))=0; A(is...

14年弱前 | 0

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SYNTAX MATLAB
Eg. x=1:20; %i.e x=1 2 3.... 20 n=5; % assign value of 5 to n y1 = x(2:n) % get second to nth (5th )value in ...

14年弱前 | 0

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Create a startpoint in form of a ring on my graph
try a=[1 2 3 4]; %data to be plotted plot(a) hold on plot(a(1),'o','MarkerSize',10) % start point with circ...

14年弱前 | 0

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Force matlab to quit while stuck in an infinite loop?
try ctrl + c

14年弱前 | 14

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Divide by Zero
Actually Inf returns the IEEE arithmetic representation for positive infinity. Infinity results from operations like division...

14年弱前 | 8

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How do I find the GPU version in MATLAB?
Use the function <http://www.mathworks.com/help/toolbox/distcomp/gpudevice.html gpuDevice>. gpuDevice If you do not have ...

14年弱前 | 3

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Finding distance between endpoints of image segment: PixelList vs 'endpoints'
You could lockup the Medical Image processing webinar which deals with toruosity.. You could also try bwdistgeodesic command...

14年弱前 | 1

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How to connect the dots
Dunno if this is what you want.. DO realize that var(x) is a single scalar value as the variance of x x=rand(10,1) y=...

14年弱前 | 1

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Calculate difference between two times
You can convert the date string into a date number and get the difference between them EG. a =['20080102 095648';'200801...

14年弱前 | 2

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Convert 3 dimensional matrix to vector (rows to columns)
doc reshape out = reshape(PV_power_output,8760,1,3); Warning: read the reshape help document thoroughly as it does c...

14年弱前 | 0

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Regarding solving an equation
try the equation as syms x phi = solve(R1*x + 0.033165331*x^0.8 -delTt) %without '...' phi1 = real(phi)

14年弱前 | 0

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breaking a column of strings in two different columns
a={'AR021108' 'AW301108' 'EW281208' 'RT250109' 'RY220209'}; ii=cellfun(@(x) x(1:2),a, 'UniformOutput', false); ...

14年弱前 | 2

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loop
You could try something like ii=0.4:0.01:0.99; for count1 =1:length(ii) for count2=1:length(ii) outpu...

14年弱前 | 0

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How to combine vectors of different length into matrix ?
Just for fun.. Another complicated way.. A =[ 1 2 3 4 5]; B = [3 4 5 0 0; 1 2 4 5 0; 4 5 0 0 0]; for ii=1:size(B,...

14年弱前 | 0

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Change License Type
You could try updating the current license fro the MATLAB Help tab. HELP > Licensing > Update current license P.S. You mi...

14年弱前 | 0

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I want to ascend cell
There might be an easier way of doing this but the following should work.. a{1,1}={'x 4';'y 2';'z 1';'g 3'}; a{1,1} p...

14年弱前 | 1

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Beagleboard question
You can definitely interface an Beagleboard-xM with Simulink and MATLAB not sure about the older version. The new xM board only...

14年弱前 | 0

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How to config "sendmail" to BCC to multiple addresses?
Look for addBcc on the following page as part of the file exchange contribution: <http://www.mathworks.com/matlabcentral/file...

14年弱前 | 0

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unable to set path for a particular tool.
Try the following from the matlab command line which pathdef This will reply the path of the pathdef.m file make sur...

14年弱前 | 0

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giving state-space equation from transfer function G(s)
>> H = [tf([2],[1 4 1])] H = 2 ------------- s^2 + 4 s + 1 Continuous-time transfer ...

14年弱前 | 0

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Derivate a signal in matlab
this might help <http://autarkaw.wordpress.com/2009/03/21/how-do-i-differentiate-in-matlab/> doc diff

14年弱前 | 0

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sorting
A = 'abc' 'dmf' 'jkl' [1x3 double] [1x3 double] [1x3 double] 'pqr' 'abc' 'jkl' [1x3 dou...

14年弱前 | 2

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Extract a range of a given cell array
cellarray={'A','B','C','D','E','F','G','H','I','J','K','L'}; prompt1={'Insert start in %'}; prompt2={'Insert End in ...

14年弱前 | 0

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How to write a "go to" -like statement in matlab
I dont think there is 'goto' in MATLAB you could use try .. catch or use the file exchange contribution <http://ww...

14年弱前 | 1

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Is a Bloomberg license needed for the financial datafeed toolbox?
Google does provide every second data, as opposed to Bloomberg which is delayed by 15 mins. without the license.

14年弱前 | 0