### Refine by Time Frame

updated 8 months ago

### Feng Cheng Chang (view profile)

Making given matrix altered to have a certain constant for its determinant

mtx_d(A,D,d)

updated 9 months ago

### Feng Cheng Chang (view profile)

Calculate the complex matrix inverse by using only real matrix inverse

inv_CR(M)

updated 11 months ago

### Feng Cheng Chang (view profile)

Finding inverse and determinant of matrix by order expansion and condensation

inv_det_p(M)

updated 11 months ago

### Feng Cheng Chang (view profile)

Making the given matrix singular by adding a matrix with multiplier.

mtx_z(A,D)

updated 11 months ago

### Feng Cheng Chang (view profile)

Inverse and determinant of a matrix by order expansion and condensation

inv_det_0(A)

updated 1 year ago

### Feng Cheng Chang (view profile)

Solving multiple roots polynomial, using simple elementary arithematic operations mostly.

poly_roots(p)

updated almost 3 years ago

### Feng Cheng Chang (view profile)

Polynomial division is derived directly from convolution.

poly_div(b,a)

updated almost 3 years ago

### Feng Cheng Chang (view profile)

Inverse and determinant of a square matrix are determined using only simple matrix multiplication

inv1(AO)

updated 4 years ago

### Feng Cheng Chang (view profile)

Division of two polynomials by convolution to get up to K terms.

polydiv_Z(b,a,K,c)

updated 4 years ago

### Feng Cheng Chang (view profile)

Division of two polynomials to get quotient and reminder using convolution matrix.

polydiv_H(b,a,c)

updated almost 5 years ago

### Feng Cheng Chang (view profile)

Find roots and multiplicities of given polynomials using this short compact routine.

M_polyroots

updated 6 years ago

### Feng Cheng Chang (view profile)

Find polynomial GCD by "Leading-coefficient Elinimation"

poly_gcd(p,q)

updated 6 years ago

### Feng Cheng Chang (view profile)

To find poles/residues of the rational function, instead of roots/multiplicities of the polynomial

polyroots(p)

updated 6 years ago

### Feng Cheng Chang (view profile)

A polynomial coefficient vector is derived from several powered polynomial factors.

polyget(A)

updated 6 years ago

### Feng Cheng Chang (view profile)

By a novel effective approach "Monic polynomial subtraction" for computing GCD polynomial.

polyfct(p)

updated almost 7 years ago

### Feng Cheng Chang (view profile)

Exact GCD of a pair of polynomials is obtained by "elimination of leading polynomial coefficient"

intgcd(p,q)

updated 7 years ago

### Feng Cheng Chang (view profile)

A multiple-root polynomial is factored into lower-degree distict-root polynomials, then solved.

PolyFct(p)