Community Profile # Ayob

Active since 2013

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Question

make a matrix with elements that are under affected by the element number
Hi everyone I want to make a matrix that each one of its element value is related to the element number. My matrix is given be...

mer än 4 år ago | 0 answers | 0

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Question

How to use trap(x,y) integral over a finite distance?
Hi everyone, I want to integrate over a finite distance for a set of numerical data. For better explanation, I have vectors of ...

mer än 4 år ago | 1 answer | 0

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Question

How to plot a simple curve fitting in Matlab?
Hi I'm trying to use Matlab curve fittings. I used X=[1,2,3] and Y=[3,4,5] as known data and the codes introduced below: ...

mer än 7 år ago | 1 answer | 0

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Question

Can Matlab help in design experiments?
I have four different type of inputs and three type of outputs, I want to design my experiments with these values in Matlab and ...

mer än 8 år ago | 0 answers | 0

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Question

Why doesn't a simple progream work?
I wrote a simple program, but it doesn't work. I'm completely confused of how such a simple program doesn't work. x=0:0.1:4...

mer än 9 år ago | 1 answer | 0

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Question

Is it possible to change 'file.m' to 'file.exe' ?
Is it possible to change MATLAB .m files to .exe files in order to run the program on system which MATLAB is not installed on th...

mer än 9 år ago | 1 answer | 0

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Question

How to find minimum and maximum values?
I have to matrices A and B which both of them are p*q matrices. I want to compare each member of A and B like A(i,j) and B(i,j) ...

mer än 9 år ago | 2 answers | 0

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Question

How to change Nan value with zero and return them again?
I have a matrix like A which some of its members are NAN. I want to do some mathematical works on it, but I can not do it becaus...

mer än 9 år ago | 1 answer | 0

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Question

How can I use colors in my surf, truely?
I've used surf order with a simple method surf(X,Y,Z). X and Y are p*1 matrices and Z is a p*p matrix. I want to use colors to s...

mer än 9 år ago | 1 answer | 0

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Question

How can I draw surf (semi-surf) for non square X-Y base plane?
<</matlabcentral/answers/uploaded_files/7238/nodes.png>> .. I have assembled some nodes in X-Y plane as shown below.So I h...

mer än 9 år ago | 1 answer | 0

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Question

How can I change pairs?
I have pairs of A{i}=[ai bi]. How can I change them to pairs B{i}=[bi ai]. I like to use Matlab special features in matrices.

mer än 9 år ago | 2 answers | 0

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Question

Why doesn't this simple search program work?
I wrote a program to give me some nodes as shown in the figure <</matlabcentral/answers/uploaded_files/7216/nodes.png>> F...

mer än 9 år ago | 1 answer | 0

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Question

Why I can not do this surf?
I have made three matrices X,Y and Z. All of them are *144*1* matrices. I use surf(X,Y,Z), but it doesn't work! *[EDIT]* Ay...

mer än 9 år ago | 2 answers | 0

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Question

How can I clear columns and rows of a matrix?
I have matrix like A which is in a square form p*p and a line matrix B in a form of q*1 (q<p). I want to clear rows and colum...

mer än 9 år ago | 1 answer | 0

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Question

How can I built a new matrix in a new method?
I have a matrix like Assem{1} which is equal to: Assem{1}=[0 6 2 0 0 7 0 0 0 12 3 0 1] My another matrix is: C=[W1 W2 W...

mer än 9 år ago | 1 answer | 0

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Question

How can I write a program to investigate whether a number belongs to matrix?
I have a Matrix named A and a number like B=11. I want to write a program which gives C=1 when B belongs to A and C=0 when B doe...

mer än 9 år ago | 1 answer | 0

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Question

How to clear column and row
I want to clear i column and j row from my matrix which I call it A. How can I do it by MATLAB features?

ungefär 10 år ago | 2 answers | 0

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Question

How can I solve this problem?
I have assembled Mass and Stiffness matrices with a kind of free element method, but the determinants of my Mass and Stiffness m...

ungefär 10 år ago | 0 answers | 0

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Question

How can I have a better plot?
I'm using codes given below in my program, but nodes which are plotted each loop are too small (maybe just one pixel). How can I...

mer än 10 år ago | 1 answer | 0

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Question

How can I use colorful * in my plot?
I'm using codes shown below and I want to use colorful * instead of colorful node. How can I change these codes to give me * wit...

mer än 10 år ago | 1 answer | 0

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Question

How to find the nine biggest numbers?
I have a n*n matrix and I want to find nine biggest numbers in it. How can I do it in MATLAB?

mer än 10 år ago | 2 answers | 0

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Question

How to change color each loop?
I have a program which should be repeated 5 times by a loop. I used plot() order in my program and I'm eager to change graph col...

mer än 10 år ago | 2 answers | 0

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How can I plot interpolation line besides nodes?
>> t=spline(X,Y,h); >> plot(X,Y,'*',h,t)

mer än 10 år ago | 0

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Question

How can I plot interpolation line besides nodes?
I have a plot() order in my program and I want to have interpolation line on the graph besides specific nodes which are evaluate...

mer än 10 år ago | 1 answer | 0

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Question

How can I find the maximum value in a matrix?
How can I find the maximum value in a matrix and find its column and row number of this value?

mer än 10 år ago | 2 answers | 0

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Question

different windows for different plots
I wrote a large program full of plot() and plot3() order,but I want to have my graphs in different windows. How can order each p...

mer än 10 år ago | 2 answers | 0

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Question

How can I divert my program on a new program and return it?
I wrote a program which I named it "file1.m".After calculating some arrays and matrices, my program should go on the other progr...

mer än 10 år ago | 1 answer | 0

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Question

small matrix in big matrix
I want to put a small matrix (p*q) called B into a bigger matrix (m*n) called A. How can I do it. Matrix B should be put on the ...

mer än 10 år ago | 1 answer | 0

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Question

Put a small matrix in a bigger one.
I want to put a small matrix (p*q) called B into a bigger matrix (m*n) called A. How can I do it. Matrix B should be put on the ...

mer än 10 år ago | 3 answers | 0