It means you have specified an index value greater than the limit of your matrix assigned dimensions. For example a "for statement doing 10 loops and you assigned an index value of 301 while your maximum matrix dimension is 300, this will give you an error of " index exceeds matrix dimensions" 

Check the size of your variables that you have taken to generate loops. Those may exceeds the level beyond the loop.

This means that you are exceeding the length of variable.

for example if you have matrix  x (M*N), 

x(M+1,..) or x(...,N+1) are not allowed and Matlab returns that eror

Example: If you have a vector V of 100 positions and you write V(101) you will get that error message.

That means somewhere in your loop the value of the variable you have used gives an inappropriate result. Say you have a vector X of 50 values and you create a new vector Y(i)=X(i+1). so when you execute the code. Y(50) = X(51) but X(51) does not exist. Hence it will show index exceeds matrix dimensions.

if you have variable X with size m and i as loop index.if i > m then you will get this eror

hi,

 your loop runs more than what u assigned.

example: var1(j)=var1(j+1),

if your matrix is of 50 * 50 

loop moves on +1 position

plz check in your loop

Dear Mr. Rakesh,

   kindly go through this link to find the exact answer of your concern. 

http://in.mathworks.com/matlabcentral/answers/14854-what-does-this-error-mean-error-index-exceeds-matrix-dimensions-code-included

Regards,

This is a common error. For example, there is a matrixwhich contain 10 variances, V=[v1,v2,......,v10], but now you want to operate V(11), in fact V(11) is not presented in the matrix V, so the index exceeds matrix dimensions

probably the length or size of vector or matrix  is the problem

the code you run have a problem with the input matrix dimension . try to introduce correct dimension of matrix in the codes

It means you have specified an index value greater than the limit of your matrix assigned dimensions. For example a "for statement doing 10 loops and you assigned an index value of 301 while your maximum matrix dimension is 300, this will give you an error of " index exceeds matrix dimensions" 

Also some errors rise when rows and columns arenot equal.. any solutions for tat too...

 if this error comes because of reading video files than you should apply loop from 1: NumFrames-1 (or  some value which works). 

You can 'clear' the workplace and try it again! 

[patx_rx(:,ii) patmatx_rx{ii}] = pat_decoder(patx,'dqpsk')

Assignment has more non-singleton rhs dimensions than non-singleton subscripts

How to resolve it

You have exceeded the maximum index dimensions. Let's say you created a matrix of values 1 to 5. When you try to access index number 6, which is obviously over the maximum index, this error will be triggered.

>> Y = [1 2 3 4 5];

Y(6)

??? Index exceeds matrix dimensions.

Two important points to care about when coding in any programming language:

1. Make sure you do not go beyond array boundaries.

2. What is the base or starting index? (for example, in C, array indices starts from 0 whereas, in MATLAB, it starts from 1)

how can i integrate one array with another array having different size

Check the size of your variables that you have taken to generate loops. Those may exceeds the level beyond the loop.

i have 3 equations with matrix i and j to represent nodal temperature, i want to express these equation with another matrix k and m in order to increase the line, can you help me?

Hi dear

It means that you have specified an index value greater than the limit of your matrix assigned dimensions.

Dear Nariman you can run your program in step by step to discover the mistake in it...I think you use an array in some size and you going to put a larger values in it