Mathematical Problems in Engineering / 2020 / Article / Alg 1

Research Article

A Descent Conjugate Gradient Algorithm for Optimization Problems and Its Applications in Image Restoration and Compression Sensing

Algorithm 1

Three-term conjugate gradient algorithm.
Initial step: given any initial point and positive constants , , set and .
Step 1: stop if is true.
Step 2: find such that
          
where satisfying the equation in Step 2 mentioned in Algorithm 1.
Step 3: set .
Step 4: stop if holds.
Step 5: compute by (11).
Step 6: set and go to Step 2.

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