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Data · Analysis

Vending machine Karnaugh map

The dispense signal is shown as a compact four-variable Karnaugh map rather than a long list of binary inputs. The concentrated ones in the right-side columns make the grouping choices easier to discuss with a digital-logic class. This visual does not replace the input definitions: A through D should be documented as the actual credit, selection and stock conditions used by the circuit. After grouping adjacent cells, test the reduced expression against every input combination, including conditions where a product is unavailable. Before sharing it, compare the chart with the source table and make the scope explicit. A clear date range, population and unit help another reader interpret the pattern correctly and decide whether follow-up analysis is needed.

유형 히트맵엔진 echarts-heatmap업데이트됨 2026. 9. 24.
Vending Machine Dispense — F(A,B,C,D)
Drawing preview
요청 내용

“Make a four-variable Karnaugh map for vending-machine dispense signal F(A,B,C,D) with minterms 2, 3, 5, 6, 7, 11, 13 and 15.”

그렇다면Change minterm 11 to 0.Rename the output to Dispense enabled.
이 도면에 담긴 내용

그 이면의 의사결정을 읽어 보세요.

01Set the scope

Use one reporting period and one clear unit.

02Read the pattern

Identify the largest concentration or directional change.

03Check the source

Confirm the displayed values against the underlying data.

Use this heatmap when the stated values and labels are the information the reader needs to compare.

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자주 묻는 질문

자주 묻는 질문

What does this heatmap show?

A heatmap uses colour to show the size of a value at the intersection of two categories. It helps readers spot concentrations, gaps and repeated patterns quickly.

How should I read this heatmap?

Choose a colour scale whose minimum and maximum match the data, and include cell labels when precise values matter to the decision.

Can I adapt this heatmap example?

Yes. Replace the title, labels and values with your own data, then check that the prompt still describes every important element in the chart.