Odd indexed elements matlab torrent

Convert numeric values to logicals matlab logical mathworks. How to replace every other element in an array with another array. You can extract the even indices and odd indices at one stretch without loop. How to assign value in an array depending on the index. Matlab indexes from 1 so alazy contains the oddindexed samples of x and dlazy contains.

However the next part of the question requires you to create a matrix y which corresponds to x only with the entries indexed by an odd integer removed. Scilab users mailing lists archives odd and even numbers. Generate a vector of 20 random integers, each in the range from 50 to 100. Hello every one i would like to generate a series of random odd numbers with in a specific range for example the range from 1 to 20 the odd number for example 1,3,5,7,9,11,15,17,19. Note that the elements of a are identical to those in alazy. I cant also use the scilab operations like i use in c, when. Indexing into a matrix is a means of selecting a subset of elements from the matrix. If you want to determine the actual column major indices to access the matrix, you can generate a vector from 1 to n where n is the total number of elements in your matrix, then reshape this matrix into the desired size that you want. How can i draw or plot the joint pdf of these two dependent variables in matlab. Im having trouble with figuring this one out because of the negative number. To access the odd position elements in the row vector you can use the same technqiue and even replace them. How do i refer to only the oddnumbered elements in any.

How to add a number to the odd elements only in a row. Learn more about matrix, matrices, reorder, row, column, even, odd, reconstruct, for, loop, rearrange matlab. I created the vector of 20 random integers and named it myvec. Add 3 to just the odd index elements matlab answers. I want to multiply all the even columns by 5 and all the odd columns by 8.

Program to print sum of even and odd elements in an array find a pair n,r in an integer array such that value of npr is maximum minimum increment. How do i extract the odd and even rows of my matrix into. I ended up using matlab for lots of other courses, not just numerical analysis where it was required. I have tried using an index to replace the odd indexes of a with the values of b, using two for loops which span over each array. Repeat this process for the second axes labeled odd powers in the plot. The array has logical 1 true values where a is odd. How to add a number to the odd elements only in a row vector in. Its a bit confusing as your matrix elements are the same as linear indexing values themselves. How do i find the even and odd elements in a vector. Whether the zeros are inserted as even or oddindexed elements of y depends on the value of positive integer evenodd.

Removing entries of vector indexed by odd integer learn more about vector entries, homework. A word of advice, avoid using for loop as much as possible in matlab, make use of vectorization instead. Hi to all, ive been searching how to check if a number is odd or even. Use l as a logical index to pick out the odd elements. Add 3 to just the oddindex elements matlab answers. How can i find the odd indices of this vector using matlab. Here is an example on how to extract the odd and even rows of a matrix into two separate matrices. Selecting every other element in a matrix matlab answers. Matlab is an interactive system whose basic data element is an array that does not. Odd numbered elements problem matlab answers matlab. Matlab sect 24 finding the length, size, sum, and number of elements in a matrix duration.